Hayward H-Series FD Heater Thermistor | FDXLTER1930 Discontinued Dive into trust and quality

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Remove the old gauge/valve assembly and clean the mounting port

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Hayward H-Series FD Heater Thermistor | FDXLTER1930 Discontinued Dive into trust and qualityHayward FDXLTER1930 Thermistor The Hayward FDXLTER1930 thermistor is a genuine replacement sensor designed for use in Universal H Series low NOx pool heaters. It monitors water or system temperature to ensure accurate control and safe heater operation. Key Features Replacement thermistor for Universal H Series heaters by Hayward. Ensures accurate temperature sensing for reliable heater operation. Supplied as an OEM partfits multiple H Series models.