The White Rodgers 1E78-140 is a single-stage, non-programmable digital thermostat designed for heat-only systems operating on 24V low voltage or millivolt power. Features a backlit LCD display, 45–90°F setpoint range, and battery backup (two AAA batteries) with no common wire required. Compatible with gas, oil, electric furnaces, boilers, and hydronic zone valve applications in residential and light commercial settings.
White Rodgers 1E78-140 Non-Programmable Heat Thermostat 24V
Copeland Comfort Control (White Rodgers)
$34.95
In Stock — 10+ available
- Fits brands
- White Rodgers, Copeland
- SKU:
- 1E78-140
- Product Type:
- Non-Programmable Digital Thermostat
- Subcategory:
- Heat-Only, Low Voltage
- Application:
- Residential/Commercial
- System Type:
- Furnace, Boiler, Hydronic Zone Valve
- Installation Type:
- OEM Replacement
- Voltage:
- 24V AC, 30V AC (Battery)
- Voltage Class:
- Low Voltage
- Amperage:
- 1–1.5A
- Mounting Type:
- Direct-to-Wall, Junction Box Mount
- Temperature Range:
- 32°F to 105°F
- Setpoint Range:
- 45°F to 90°F
- Fuel Type:
- Natural Gas, Oil, Electric
- Control Type:
- Non-Programmable