Refrigerator Microwave / Induction Kitchen Appliances Bidet / Water purifier Ice maker / Showcase Vending machine / Boiler Air Conditioner Air purifier / Dehumidifier / Water heater Iron / Bed cleaner Automobile Temperature sensor for Water heater NCT Thermistor UsedUsed to measure hot water temperatureOperating temperature range : -20 ~ +100℃Voltage : AC 1800V FOR 1SECInsulation Resistance : MIN. 100MΩ AT DC500V