White-Rodgers 1E56N-444 mechanical thermostat fits heat pump without AUX, heat/cool, millivolt and conventional oil, electric and gas heat-only systems. Low-voltage wiring connects to wall or junction box; no C-wire needed.
Wiring follows the included diagram. Vibration-resistant mechanism holds the setting. Install takes minutes with a screwdriver.
1E56N-444 Highlights
Wide System Fit
Works with heat-only, millivolt and conventional oil, electric and gas.
Heat Pump Ready (No AUX)
Controls basic heat pump plus heat/cool setups.
51-90 Degree Dial
Sets temperature once and holds it.
Vibration-Resistant Build
Keeps calibration in busy utility areas.
1E56N-444 Specifications
Color: White
Voltage: Low voltage
Mounting: Wall or junction box
Operating range: 51-90 degrees Fahrenheit
System compatibility: Heat pump (no AUX), heat/cool, millivolt, conventional oil/electric/gas
