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engineered to improve debris handling and cleaning efficiency
simplifying cartridge removal and cleaning
maintaining efficient water circulation in your pool
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Hayward H400FD Heat Exchanger Assembly | FDXLHXA1400 Waterway 540-7809WW engineered to improve debris handlingThe OEM Hayward Heat Exchanger Assembly (FDXLHXA1400) is the direct replacement for Hayward H400FD Universal H Series Low NOx pool heaters. If your heater is leaking water, losing heat output, or failing to maintain temperature, a cracked or corroded heat exchanger is the most common cause. This factory original exchanger is engineered to restore proper heat transfer, eliminate internal leaks, and return your heater to full 400,000 BTU performance.
