Name: Hayward Universal H-Series Low NOx Pool Heaters
Brand: Hayward
SKU: 4074P
Price: 2,599.00 USD
Availability: InStock

Product Description

Hayward Universal H-Series Low NOx Pool Heaters

Upgrade your pool or spa with a powerful, energy-efficient heating solution from Hayward—the industry leader in pool technology. The Universal H-Series Low NOx Heaters deliver environmentally responsible performance while offering reliable, long-lasting comfort for in-ground and large above-ground pools.

Each unit features a durable cupronickel heat exchanger with Hayward’s Totally Managed Flow system, engineered for maximum corrosion resistance—perfect for saltwater systems. The exclusive silicon nitride ignition system ensures dependable starts, and its flexible design makes it ideal for both new pool setups and existing equipment replacements.

Key Features:

Low NOx emissions—meets air quality standards in all low-NOx regulated areas
Compatible with salt chlorination systems
Silicon nitride ignition system for consistent lighting
Cupro-nickel heat exchanger for superior durability
Adaptable to new or existing equipment
Self-diagnostic LED control panel for service convenience

Shipping Info:
Ships via freight carrier. Please allow an additional 5–7 business days for delivery.

H-Series Size Chart

H150 – 450 sq ft
H200 – 600 sq ft
H210 – 630 sq ft
H250 – 750 sq ft
H300 – 900 sq ft
H350 – 1200 sq ft
H400 – 1400 sq ft

Note: If your pool is located above 6,000 ft elevation, be sure to request a high-altitude model.

For technical support, please contact Hayward at 1-800-HAYWARD or visit www.hayward-pool.com.

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Description	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com	For use with In-ground and larger Above Ground pools. Hayward Universal H-Series heaters have the flexibility to provide an energy-efficient and environmentally responsible low NOx performance solution for pools and spas. They also feature a cupronickel heat exchanger with Totally Managed Flow to provide outstanding corrosion and erosion protection that goes perfectly with today's popular salt-based chlorination systems. Includes an exclusive silicon nitride ignition system for dependable lighting and reliable operation. Plus, they're flexible enough to adapt to new or existing equipment. Note: Above 6,000 ft altitude be sure to ask for special high altitude heater. Ships by freight. Please allow an extra 5-7 business days for delivery. H-Series Size Chart Model ---- Surface Area H400----1400 sq ft H350----1200 sq ft H300----900 sq ft H250---- 750 sq ft H200----600 sq ft H150----450 sq ft H210----630 sq ft For Technical support on this item please contact Hayward at 1-800-HAYWARD www.haywardpools.com
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Hayward W3H400FDN Universal H-Series H400 Low NOx Pool Heater, 400,000 BTU, Natural Gas

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