Hayward Universal H-Series 400K BTU Low NOx Propane Heater YGroup_ultimate filters use a fine white

filters use a fine white powder (Diatomaceous Earth) to capture all dirt

Fresh diatomaceous earth powder is required every time you backwash your DE filter and will keep your filter working at peak performance

smooth inside walls

exceptional first-pass debris removal

1 HP pump is designed for the rigors of above ground and semi-inground swimming pools

Hayward Universal H-Series 400K BTU Low NOx Propane Heater YGroup_ultimate filters use a fine whiteThe Hayward Universal H Series 400,000 BTU Low NOx Propane Heater (W3H400FDP) is designed for optimal performance, providing powerful heating for pools of all sizes. It is compatible with any sanitizing system, including saltwater, making it a versatile option for a wide range of pool types. The easy to read L. E. D. control panel displays accurate temperature readings and diagnostics, ensuring simple operation. Its industry leading hydraulic