Thermostat; Type Mechanical, 1-Heat 1-Stage; Cover Type Round Vertical; Color White; Voltage Rating 30 Volt AC at 50/60 Hertz; Current Rating 0.15 to 1.2 Amp (Heat); Switch Type Snap Action; Temperature Rating 50 to 90 Deg F; Size 2-7/8 Inch Width x 1-1/2 Inch Depth x 3-3/4 Inch Height; Approval UL, CSA, AHRI, ACCA, ISO 9001; Mercury-Free; Thermometer Material Bi-Metal; Terminal Designation RH, W; Includes Wall Mounting Plate, Switching Sub-Base