Features:

Rugged snap-action contacts
Adjustable heat anticipator
Built in bimetal thermometer
Heat / cool model includes switching subbase
Heat / cool model compatible with electric heat systems

Specifications:

Manufacturer: Copeland Comfort Control (White Rodgers)
Manufacturer Part Number: 1C20-101
Product Type: Economy Mechanical Thermostats
Voltage Rating: 30 V
Frequency Rating: 50/60 Hz
Temperature Rating: 50 to 90 Degrees F
Dimensions: 5.85" x 5.45" x 2.1"
Weight: 2.0 lb.