Hayward Universal H-Series 400K BTU Natural Gas Heater | W3H400FDN
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Highlights
Residential
Commercial or Residential
Natural
Gas Type
In-Ground
Pool Type
Product Description
The Hayward Universal H-Series Natural Gas Heater W3H400FDN is a 400,000 BTU gas-fired pool and spa heater designed to raise water temperature reliably. It is intended for outdoor residential or commercial pool equipment pads and can replace many existing gas heaters thanks to a universal mounting and plumbing design. The unit offers low-NOx emissions and a cupro-nickel heat exchanger for improved corrosion resistance compared with standard exchangers.
Key Benefits
- 400,000 BTU output for rapid pool and spa heating
- Natural gas configuration for standard gas supply lines
- Cupro-nickel heat exchanger for salt and chemical resistance
- Totally managed water flow, same velocity through all tubes
- Patented header bypass design for faster heat transfer
- Reduced pump run time, lowering circulation energy use
- 2 x 2.5 inch CPVC union plumbing connections
- Forced draft system maintains controlled combustion airflow
- Low NOx emissions meeting clean air quality standards
Specs
Gas Type
Natural
Pool Type
In-Ground
Header Material
Polymer
Exchanger Material
Cupronickel
Commercial Or Residential
Residential
Manuals & Documents
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Our team includes Certified Pool & Spa Operators (CPO) trained by the Pool & Hot Tub Professionals Association.
We're here to help!
Our team includes Certified Pool & Spa Operators (CPO) trained by the Pool & Hot Tub Professionals Association.