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Cartridge filter design — easy to remove
it’s a practical upgrade for any suction-side cleaner
Redesigned intake manifold: Shields the blower from small debris that can cause failures
easy-to-use granular formula: Disperses quickly for immediate pH stabilization
Hayward H Series Pool Heater Temperature Sensor Thermistor IDXLTER1930 Metal rubber plastic Cartridge filter design — easyHayward H Series Pool Heater Temperature Sensor Thermistor IDXLTER1930 Intro Keep your Hayward H Series pool heater performing at its best with the IDXLTER1930 temperature sensor thermistor. This OEM replacement part delivers accurate water temperature readings to the control board, promoting precise heater cycling, steady comfort, and reliable operation. By restoring proper sensing, it helps protect your heater from unnecessary wear and energy waste.