Pay in 4 interest-free payments of $17.62 Learn more
Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
free‑form
Lightweight design eases handling during replacement and reduces installation downtime
Outside mount installation simplifies retrofits and new builds
separate feeds
it’s ready to stock a season of stain control for multiple pools or larger installations
Hayward H Series Heater Thermistor Replacement FDXLTER1931 chelating agents free‑formHayward H Series Heater Thermistor Replacement FDXLTER1931 Restore accurate temperature control with the Hayward H Series Heater Thermistor Replacement FDXLTER1931. This new plastic thermistor replacement is designed to fit Hayward H Series pool heaters, ensuring reliable temperature readings and smooth operation after a sensor fault or wear. Built to withstand outdoor pool environments, it helps your heater respond correctly to water temperature,
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