The Raypak H000329 Temperature Sensor is a replacement sensing component designed to monitor water temperature in compatible Raypak heating equipment. It detects temperature changes and sends electrical signals to the control system, enabling accurate temperature regulation and appropriate heating adjustments. Used in compatible boilers, pool heaters, and hydronic heating systems, thi... https://www.partshnc.com/h000329-raypak-temperature-sensor-100k-ohm