Line Voltage T-Stat, Industrial Control, Switch Type SPST, Switch Action Close on Rise, Number of Switches 1, Control Range 30 to 105 F, Differential +/- 3 Deg F, Height 4 1/2 In, Width 2 1/8 In, Depth 2 1/8 In, Overall Length 5 3/4, Temp Sensitivity +/- 3 Deg F, Sensor Type Hydraulic Capillary, Color Polished, Application Cool Ventilation Only, Enclosure Type Steel, Includes Instruction Sheet