Cadet Wall Thermostat C612-25 240/120V Features: For control of a heating load up to 25 amps. Increased bimetal thickness and heat anticipation give improved performance. Cover design with side ventilation enhances sensitivity to room temperature changesUL ListedTemperature Range 45 F - 75 F4 Wire Hookup Breaks One Leg of Heating CircuitEconomical Choice for Wall Mount Electric Control of Baseboard and Fan-Forced Resistance HeatingReliable Snap Action Bimetal Temperature Sensing Control 2.87 L. 3.25 W. 5.00 H.