Hayward Universal H-Series 250K BTU Natural Gas Heater | H250FDNProduct Overview The Hayward Universal H Series 250K BTU Natural Gas Heater H250FDN is a high performance pool and spa heater designed for efficient heating, installation flexibility, and long lasting durability. With a powerful 250,000 BTU input, this heater is ideal for residential pools and spas that need dependable temperature control and fast heat recovery. The Universal H Series is built with a cupro nickel heat exchanger, giving it enhanced

The GO-KIT92V-9 helps restore proper wet-end sealing

The Hayward PVCHK1900GR hose kit helps keep compatible suction-side cleaners operating correctly by restoring proper hose length

the ETi 400 delivers exceptional corrosion resistance and dependable heating power for demanding residential and commercial pool applications

5" plumbing compatibility for flexible installation

allowing your cleaner to move freely across the pool surface without getting stuck

By helping connect to existing MasterTemp water plumbing

this connector delivers a solid electrical bond that supports safer

Nature2 Fusion 35 systems

local code

Compatible replacement for 523730 and 523081

Q: What is the Swimables SW-21-131 used for

A: It’s effective on many soft to moderate blockages and buildup