Hayward Universal H-Series Natural Gas Low NOx Heater (400,000 BTU) - W3H400FDN
The Universal H-Series is an energy efficient, high performance, installation adaptable commitment to the pool service professional.
- Standard cupro nickel heat exchanger
- Excellent salt water and chemical corrosion resistance
- Exclusive "Totally Managed" cupro nickel heat exchanger water flow
- 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
For warranty purposes:
