temperature protector is used for Boiler Hot-water Heater, Vacuum cleaner, Duplicator, Electric Stove, Oven, Dryers KSD301 bimetal disc ... :Boiler Hot-water Heater, Vacuum cleaner, Duplicator, Electric Stove, Oven, Dryers, Refrigerator, Dish washer, Air-conditioning, etc KSD301 bimetal disc temperature protector