... per piece. 3.Order:1000,000 pieces per piece. This type thermostat is a high temperature,widely used on water heater,washer ... oven,fried pan,water boiler,etc.Thermostat Features: 1) Designed temperature range: 0C--300C2) Rated at 20A/250V 50/60Hz3) Operating life ... is widely used for electric water heater, etc. WY-C series water heater thermostat