Snap-action thermostat:Used in most home laundry,& also for refrigerator,air conditioner, ... for refrigerator,air conditioner,heater unit,oven,and limit application.Thermostat open on rise or close when the temperature differential is ... . E243688 CQC File No. CQC03002006387 ISO9001:2000 File No. QM1650 thermostat KSD-301P