White Rodgers 1C20-102 Economy Heat Only Thermostat Millivolt Non-Programmable & Mechanical Thermostats - 12VDC 24V 50-90F

The White Rodgers 1C20-102 is an economy heat-only thermostat designed for reliable temperature control in residential and light commercial heating applications. This versatile thermostat operates on millivolt, 12VDC, and 24V systems, making it compatible with a wide range of heating equipment including gas furnaces, boilers, and wall heaters.

Key Features:

• Heat-only operation for simple, dedicated heating control
• Multi-voltage compatibility: Millivolt, 12VDC, and 24VAC systems
• Adjustable temperature range: 50°F to 90°F
• Economy design without off switch for continuous heating mode
• Direct replacement for White Rodgers 1C2 model
• Simple mechanical operation for long-lasting reliability

This thermostat is ideal for applications where basic heating control is needed without the complexity of programmable features. The lack of an off switch ensures the heating system remains active within the set temperature range, making it well-suited for spaces requiring constant frost protection or consistent warmth. The mechanical bimetal design provides dependable performance without requiring batteries or external power for the thermostat itself.