Line Voltage T-Stat, Industrial Control, Switch Type SPDT, Switch Action Open and Close, Number of Switches 1, Control Range -30 to 90 F, Differential +/- 3 Deg F, Height 4 1/2 In, Width 2 1/8 In, Depth 2 1/8 In, Overall Length 4 1/2, Temp Sensitivity +/- 3 Deg F, Sensor Type Hydraulic Capillary, Sensing Bulb Dia 3/16 In, Sensing Bulb Length 5 In, Capillary Length 96 In, Color Gray, Application Heat and Cool, Enclosure Type Steel, Includes 96 In Extended Capillary Tube