Raypak 009577F Temperature Sensor Replacement for IID HeatersIf your IID heater is reading the wrong temperature, short cycling, or shutting down for no clear reason, the temperature sensor is one of the first parts to inspect. A bad sensor can make a Raypak heater not working complaint look like a control issue when the real problem is faulty temperature feedback.This temperature sensor is used on compatible IID heaters to monitor operating temperature and send that information to the control system. When it drifts, opens, or stops reading accurately, the heater can underheat, overreact, or cycle at the wrong time. Replacing it restores the temperature input the IID control logic depends on. Incorrect temperature readings at the heater Short cycling or unstable heating behavior Unexpected shutdowns tied to bad sensor input Raypak heater troubleshooting points to faulty temperature feedback What this part does: It senses heater temperature and sends that reading to the control system.Compatibility: Designed for Raypak IID heaters. Confirm with your model number before ordering. Part Number: 009577F Type: Temperature sensor Application: IID heaters OEM Value: A genuine Raypak sensor helps maintain the intended fit and temperature response in the control system. Sensor accuracy matters because even a small feedback problem can turn into nuisance shutdowns or poor heating performance.Need help confirming compatibility? Contact us ?Shop all Raypak parts ?
