Electric Thermostat, Product Type Electric Thermostat, Capillary Tube Length 48 in, Sensing Bulb Diameter 1/4 in, Stem Length 7/8 in, Sensing Bulb Length 7 5/8 in, Compatible with Brand Consolidated Communications, Duke, Johnstone Supply, Robertshaw, Uni-Line, OEM Replacement Part Number 12081, 12173, 2081, 23706, 31-02-81, 9991-493, 9991-512, E-226, F16-761, KA-604-24, KA-604-48, Compatible with Manufacturer Model Number 012081, 012173, F16-761, Compatible with Series 5300 Series