... ,and also for refrigerator,air conditioner,heater unit,oven,and limit applicatio Snap-Action Automatic Thermostats KSD301 Series[ KSD-301Abi-metal thermostat ... home laundry,and also for refrigerator,air conditioner,heater unit,oven,and limit application.Thermostat open on rise or close when ... File No. CQC03002006387 ISO9001:2000 File No. QM1650 Snap-Action Automatic thermostat