White Rodgers 1A66W Non Programmable Thermostat Line Voltage 40 85 deg F 1 deg F Differential Open On Rise DPST Switch 240/277 VAC 18 22 A Wall Mount Classic White 11/4 Inch L x 23/4 Inch W x 41/2 Inch H • 1A66 types area 2pole disconnect model with OFF position which mechanically breaks both sides of line Standard/Approvals: CSA Certified UL Listed Application: Controlling baseboards cable heat and glass panels