White-Rodgers 1E78-144 Thermostat

Introducing the White-Rodgers 1E78-144 Thermostat, a reliable non-programmable thermostat designed for 1-heat/1-cool systems (Conventional/Heat Pump). This thermostat combines simple, intuitive control with sturdy construction for gas, oil, or electric applications.

Designed for easy installation, it supports both battery power and hardwired setups: 30 V AC with a battery or 24 V AC at 50/60 Hz hardwire. The rectangular vertical cover provides a compact mounting footprint (3-3/16" W x 1-1/8" D x 5-5/16" H) with a 1.2 square inch display for clear temperature readings.

Key features include versatile terminal design (RC, RH, W, Y, O, B, G) for flexible wiring, a wide set point range from 45 to 90°F, and a display temperature of 32 to 99°F. It’s rated for up to 1 to 1.5 Amp and supports temperatures from 32 to 105°F, making it suitable for many heating and cooling setups.

• Non-programmable, 1-Heat/1-Cool operation
• Rectangular vertical cover with compact dimensions
• Battery or 24V AC hardwire power options
• RC, RH, W, Y, O, B, G terminals for flexible wiring
• Set point 45–90°F; display 32–99°F