Hayward Thermistor, Replacement | IDXLTER1930 category_gas-patio-heaters The 660-3581 part serves as

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

Powder-Coated Finish: Adds an elegant touch and enhances the umbrella's durability

leak-free routing in tight spaces

Install by twisting sections securely into place

Improves traction and mobility

Hayward Thermistor, Replacement | IDXLTER1930 category_gas-patio-heaters The 660-3581 part serves asWhat 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