Hayward Universal H-Series Natural Gas Heater 400K BTU 120/240V W3H400FDN 1-Speed Pump superior efficiency

superior efficiency

The large 2

offering up to 80% energy cost savings over traditional single-speed pumps

a 1 HP PowerFlo Matrix Pump

pH Decreaser - 16 OZ

Hayward Universal H-Series Natural Gas Heater 400K BTU 120/240V W3H400FDN 1-Speed Pump superior efficiencyThe Hayward Universal H Series Natural Gas Heater delivers powerful, energy efficient heating, ensuring a consistently comfortable swimming experience. Designed for durability and reliability, this 400,000 BTU heater features a robust cupro nickel heat exchanger that withstands corrosion from saltwater and chemically treated pools. With its universal installation flexibility, the H Series seamlessly integrates into various pool and spa configurations,