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Aprilaire 8446 - Digital Nonprogrammable Thermostat 2 Heat/1 Cool Heat Pump Dual Power

Item: 8446
MFR: 8446
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Aprilaire Model 8446 Thermostat
The Aprilaire Model 8446 Thermostat offers the benefits of bringing your heat pump HVAC system into the digital age, while being extremely easy-to-use. If you don't need a programmable thermostat, but desire digital accuracy and the convenience of an electronic over a mechanical thermostat, then the Aprilaire Model 8446 Thermostat is the best choice for your home.

The Aprilaire Model 8446:
  • Works with heat pump systems
  • Provides pinpoint digital accuracy and control for ultimate comfort and outstanding energy efficiencyFeatures and Benefits
    The Aprilaire Model 8446 Thermostat is attractive, easy-to-use and offers:
    • A large 4.5 square-inch LCD Screen with a high-contrast, backlit display for easy reading.
    • Simultaneous display of room temperature, temperature setting and outdoor temperature, in Fahrenheit or Celsius.
    • Service reminders for your HVAC system, humidifier, dehumidifier and air filter. Protects your equipment and ensures the longevity of your investment.
    • Simple setup menu for activating optional features.
    • Quick-reference instructions on board
    • Soft-touch keys
    • 5-year warranty


NameAprilaire 8446 - Digital Nonprogrammable Thermostat 2 Heat/1 Cool Heat Pump Dual Power
Gemaire Item Number8446
Manufacturer Product Number8446
SKU - PIM Number1407439619670
ERP Number224662
Unit of MeasureEA
Weight0.8 Pounds (Lb)
Length4.8 Inches (In)
Width1.8 Inches (In)
Height5.8 Inches (In)
Country of OriginUSA
Voltage24 VAC
Electrical ConnectionScrew Terminals
Electrical Rating24v AC ± 6v or 2 AA Batteries
Power MethodDual Powered: Battery or Hardwired
Batteries IncludedYes
750mV CompatibleYes
Auto ChangeoverYes
Built In Wi-FiNo
Change/Check RemindersYes
Daylight Savings Time ReadyNo
Digital-Non ProgrammableYes
Display OptionsLCD
Displays Outdoor TemperatureYes
Heat Pump CompatibleYes
Indoor Remote SensorNo
Low Battery IndicatorYes
Programmable FanNo
Stages Cool1
Stages Heat2
Vacation ModeNo
Battery BackupYes
Accuracy± 1°F
Sensing ElementYes
Ambient Temperature Range32°F to 120°F (0°C to 48.8°C)
ColorGray, White
Differential Temperature1°F per stage
Dual Transformer CompatibleYes
Fan SwitchingYes
MountingIncluded Wall Plate
Number of HVAC Zones1
Operating Temperature Range32°F to 120°F (0°C to 48.8°C)
Removable InterfaceYes
Switch ActionRelay
System SwitchingYes
Temperature Range45°F to 99°F (7.2°C to 37.2°C)
Terminal DesignationsRC, R, W, Y, G, C, S1, S2, O/B, L
Warranty OfferedYes
Cycle/Hertz60 Hz
GEM - Case Quantity


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