Hayward Universal H-Series Natural Gas Heater 250K BTU | W3H250FDNProduct Overview The Hayward Universal H Series Natural Gas Heater W3H250FDN is a 250,000 BTU pool and spa heater designed to deliver fast, dependable, and efficient heating for residential in ground pool and spa applications. Built on Haywards Universal H Series platform, this heater combines strong natural gas performance with Low NOx emissions, flexible installation features, and durable construction for long lasting pool comfort. Featuring a cupro

where specified by distributor listing Maximum Operating Pressure 50 PSI Drain Size Full 2 in

Q: How do I know if this is the correct kit

SmartDrive® Steering: Ensures complete pool coverage without missed spots

A properly installed tank lid supports a secure

this light offers a sleek and modern aesthetic combined with significant energy savings and long-lasting reliability

Helps create a finished

Q: Can this be used with incandescent pool lights

fiberglass-reinforced polypropylene tank is built for strength

Instant Pool Water Conditioner protects your chlorine from the light of the sun

This ensures compatibility with standard pool piping

SP1056 is a genuine Hayward hydrostatic relief valve

Q: What valve systems does this fit