Hi-Limit Thermistor Replacement Kit (34-01395-K) – Two-Sensor w/Orings for Watkins No Fault Heater, Hot Spring, Tiger River, Limelight, Replaces 39204, 39205, 39525, 39530$$Garden & Patio

Powerful Function - This high-limit thermistor sensor is a safety device designed to communicate with the system to shut down the heater if the water temperature exiting your heater exceeds 118 degrees F. Wide Application – Fit for No Fault Heater and PDR Heater, Compatible with Hot Spring, Limelight, Hot Spring pre 89, Tiger River models. Replaces for A Temp sensor (Hot Spring/Watkins part number: 39205 or 39530); Hi-Limit sensor (Hot Spring/Watkins part number 39204 or 39525). Superior Material – Made of excellent quality copper, the sheath is made of PVC (Polyvinyl chloride) material, it has superior performance and corrosion resistance. Package Includes – Control Thermistor Sensor 79006: 4-pin connector, High-Limit Thermistor Sensor 79005: 2-pin connector, 2 rubber O-rings. Easy Installation - It simply screws into the No Fault Heater Housing (hand tight only) and then plugs into the outside of the spa’s control box. If your existing thermistor plugs directly onto the main circuit board (motherboard) inside the IQ2020 control box. Always replace thermistors in pairs (79005 & 79006).