Electric Thermostat, Product Type Electric Thermostat, Capillary Tube Length 60 in, Sensing Bulb Diameter 3/8 in, Stem Length 2 in, Sensing Bulb Length 4 1/2 in, Compatible with Brand Johnstone Supply, Robertshaw, Uni-Line, OEM Replacement Part Number 23171, D1-GC-048-00-00, D1-GC-048-10-00, D1-Y0-048-01-13, D1-Y0-060-01-13, D1-Y0-060-59-00, F16-836, For Use With Mfr. Model Number 23171, Compatible with Series 5000 Series, Input Voltage 120V AC, 277V AC, Dial Range 60 to 250