Hayward Thermistor, Replacement | IDXLTER1930 category_gas-patio-heaters Install by twisting sections securely

Install by twisting sections securely into place

Designed to support straightforward installation during routine maintenance

The 660-3581 part serves as an air control valve that regulates airflow

This part is essential for professional pool service when restoring full pool circulation

Hayward Thermistor, Replacement | IDXLTER1930 category_gas-patio-heaters Install by twisting sections securelyWhat This Part Is Used For The Hayward IDXLTER1930 Thermistor monitors water temperature in compatible Hayward heater systems. It provides temperature feedback to the control board for accurate heating. Why This Part Matters An inaccurate thermistor can cause the heater to overheat, underheat, or shut down unexpectedly. Reliable temperature sensing is critical for stable heater cycling. Replacing a faulty thermistor restores proper temperature