*Capillary thermostat for water heater, and other Electric applilancs *UL, VDE,CAS ROH * ... product quality *Prompt delivery WY-C high temperature type: used for electric water heater, washer, electric oven, fried pan, water boiler ... etc.WY-E: Expansive temperature controller for electric water heater, washer, electric oven, fried pan, water boiler ...