Description
Hayward 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, reducing energy waste and maintaining comfort.
List of Features
- Precise temperature sensing: Maintains accurate water temperature readings for reliable heater cycles.
- OEM-grade replacement: Designed specifically for Hayward H-Series to protect warranty and fit exactly.
- Durable plastic housing: Resists outdoor moisture, sun exposure, and corrosion for long life.
- Easy, direct-fit installation: Quick swap with existing harness and connector without modifications.
- Broad compatibility with H-Series models: Covers the most common configurations to minimize compatibility concerns.
- Protected sensor design: Sealed construction reduces calibration drift and improves longevity.
Final Thoughts
Replacing the thermistor with FDXLTER1931 restores stable temperature control, prevents inefficient cycling, and supports longer heater life. By using a genuine Hayward component, you maintain system reliability and energy efficiency for your pool. Ready to upgrade? Add the FDXLTER1931 to your cart and complete your Hayward H-Series service with confidence.











