Heating Furnace Combination Fan and Limit Control; Type Combination Fan and Limit Control, Universal; Used On Forced Air Heating Furnace; Switch Type SPST; Length 7 Inch; Fan Off Temperature 90 to 120 Deg F; Limit Temperature 150 to 250 Deg F; Fan Differential 25 to 50 Deg F; Limit Differential 30 Deg F; Pilot Duty 40 Volt Amp at 30 Volt AC, 125 Volt Amp at 120 Volt AC (Full Load); Approval UL, CSA