White-Rodgers 1C21-101 Thermostat

Thermostat; Type Mechanical, Fixed Heat Anticipator, 1-Cool, 1-Stage; Cover Type Vertical; Voltage Rating 24 Volt AC at 50/60 Hertz; 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; Material Bi-Metal; Differential Temperature Rating 4 Deg F; Terminal Designation R, Y; Includes Switching Sub-Base