Aprilaire 8463 Thermostat, Programmable Dual Powered Thermostat - 1-Heat/1-Cool

by Aprilaire
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About the Aprilaire 8463 Programmable Dual Powered Thermostat: 1 Heat/1 Cool

Take total control of the heating and cooling of your home with the Aprilaire 8463 Programmable Dual Powered Thermostat 1 Heat/1 Cool. This programmable device allows you to specify the temperature in your home on a weekly and weekend basis, giving you customizable options for each setting.

Set your temperature preferences for the five weekdays, then choose from either a two day setting on the weekend or a day to day fluctuation. This 4.5 inch LCD screen provides optimal information regarding your temperature, while the touch soft keys make programming your schedule a breeze.

Upgrade to a programmable thermostat today and take full advantage of all its unique features. Designed to work with single or multi-stage heat pump and hydraulic systems, this mercury-free thermostat is an excellent choice for your first programmable unit. The Aprilaire 8463 Programmable Dual Powered Thermostat 1Heat/1 Cool comes with a five year manufacturer’s warranty to ensure that your device works properly for years to come.

Aprilaire 8400 Series thermostats have an Integrated Auto-Changeover Mode for Heating & Cooling

Additional Information:


  • Large 4.5 square inch LCD with high contrast for easier reading
  • Bright, white backlit display is easy to read
  • Displays room temperature, temperature setting and outdoor temperature (with 8052 sensor, sold separately) simultaneously
  • Removable battery cover for fast, easy replacement
  • Easy to use temperature control and override program schedule at anytime
  • Progressive recovery
  • Permanent program retention during power loss
  • Indefinite setpoint Hold
  • Choice of 5/1/1 day programmable, or 5/2 day
  • Dual Powered. Choice of battery powered or hardwired, for all applications
  • Easy-to-wire terminal block
  • Water panel, air filter, dehumidifier and HVAC service indicators
  • Simple "set-up" menu to activate optional features
  • Soft-touch keys


  • Terminals: RC, R, W, Y, G, C, S1, S2
  • Operating voltage 24 VAC (18 30 VAC)
  • Current &149; Maximum: 2.5A (total), 1.0A (single output)
  • Maximum surge current: 5A
  • Power supply Dual power. Can be battery or 24 VAC powered (When both the sources are available, battery will be used as back up power)
  • Battery power: AA size alkaline battery x 2
  • Battery life: Approximately 1 year
  • Room temperature measurement Display range: 32° to 99°F (0° to 40°C)
  • Outdoor temperature measurement Display range: -20° to 130°F (-30° to 55°C)Temperature setting range:
  • Heat: 45° to 90°F (7° to 32°C)
  • Cool: 50° to 99°F (10° to 37°C)
  • Dimensions: 5.25" x 4.50" x 1.00"


5 year warranty through the manufacturer

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