Hayward 400K BTU H-Series Natural Gas Heater, Cupronickel, W3H400FDN, Low NOx
Hayward 400K BTU H-Series Natural Gas Heater, Cupronickel, W3H400FDN
The Hayward Universal H-Series Pool and Spa Gas Heaters are known for their energy-efficient and reliable heating capabilities and are suitable for both pools and spas.
Equipped with a durable cupro-nickel heat exchanger, these heaters are resistant to corrosion, which extends their lifespan and makes them ideal for pools with saltwater systems or varying pH levels. The H-Series is designed with an intuitive digital control panel that allows precise temperature control and easy troubleshooting.
Additionally, its low NOx emissions make it an environmentally friendly choice that meets air quality standards, while its rapid heating capability ensures your pool or spa reaches the desired temperature quickly.
- Standard cupro nickel heat exchanger
- Excellent salt water and chemical corrosion resistance
- Exclusive "Totally Managed" cupro nickel heat exchanger water flow
- The same water velocity through all tubes for faster heating
- Patented header by-pass design
- Up to 18 percent savings by reducing pump run-time
- 2in x 2 1/2in CPVC union plumbing connections
- Common union for installation or service adapts to larger plumbing, recommended for greater efficiencies
- Low NOx emissions - meets clean air quality standards
Specifications:
- Active Defrost No
- Application New Construction, Renovation, Pool
- Boost Mode No
- Brand Hayward
- Channel Open Line
- Circuit Amps 5.5000
- Cooling Capability No
- Fuel Type Natural Gas
- GTIN 610377387255
- Heating Capacity (BTU/Hr) 399900
- Hertz 60 Hz
- Kilowatts 117 kW
- Low Ambient Operation No
- Master Carton Qty 1
- Maximum Fuse Breaker Size (Amps) 15.0000
- Minimum Circuit Amps 5.5 A
- Pallet Qty 1
- Phase Heaters 1.0000
- Pool Type In Ground
- Product Dimensions 24 " x 34 " x 29.5 "
- Product Height 24 in
- Product Length 29.5 in
- Product Weight 195 lb
- Product Width 34 in
- Rear Clearance - Heaters 6 in
- Refrigerant No
- Series Heaters Universal H-Series
- Shipping Dimensions 30.6 " x 32.8 " x 39.6 "
- Shipping Height 30.6 in
- Shipping Length 39.6 in
- Shipping Weight 214 lb
- Shipping Width 32.8 in
- Side Clearance - Heaters 12 in
- Silent Mode No
- Thermal Efficiency 84 %
- Water Flow Rate Max 125
- Water Flow Rate Min 30
Common Questions
What are the dimensions of the unit?
- Heater Dimensions: 36-1/2" Width x 29-1/2" Depth x 24" Height
- Weight: Approx. 210 lbs.
What type of heat exchanger is the Hayward Universal H-Series Pool Heater?
- Cupro-Nickel Heat Exchanger
Is this unit Low NOx?
- Yes, this unit meets all state air quality regulations.
Plumbing Size?
- This unit is plumbed 2" and comes with 2" unions for installation.
Shipping, Installation & Warranty
Free Shipping: Most orders ship within 1 business day, unless otherwise noted.
Disclaimer: Professional installation (not included) is required, and proof of installation by a certified technician is needed to validate the factory warranty.
