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  • Easy to install and use.
  • Fan Control - Set fan to run automatically with system or constantly on.
  • Mercury Free.
  • Includes mounting hardware and wall plate.
  • Compatible with heat and cool systems.
Manuals

Easy-Install, Manual Thermostat for Year-Round Comfort

Enjoy simple and reliable temperature control with the Honeywell CT31A1003/E Non-Programmable Thermostat. This manual thermostat offers hassle-free operation and versatile comfort settings.

Easy-to-Use Design

Effortlessly switch between heating and cooling with the convenient snap-action switch.

Quick and Simple Installation

No leveling required, this heating and cooling thermostat includes mounting hardware for a hassle-free setup.

Customizable Comfort

Choose between automatic or fan control to match your preferences.

Wide Compatibility

This non-programmable thermostat works seamlessly with various heating and cooling systems.

Mercury Free

Safe for the environment and your home, this manual thermostat does not feature mercury.

  • Single-Stage Heating and Cooling: Yes
  • Multi-Stage Heating and Cooling: No
  • Heating Only: Yes
  • Cooling Only: Yes
  • Compatible with Warm Air Furnace: Yes
  • Compatible with Central Air Conditioning: Yes
  • Compatible with Heat Pump (No Aux./EM): No
  • Compatible with Heat Pump (With Aux./EM): No
  • Compatible with Hot Water: Yes
  • Compatible with Steam or Gravity: Yes
  • Use with Floor/Wall Furnace 24V or 750mV: Yes
  • Use with Volt Gas Fireplace 24V or 750mV: Yes
  • Use with Pellet Stove for mV Thermostats: No
  • Use with Electric Baseboard 120V-240V: No
How do I reset my Honeywell Thermostat?

There isn't a universal reset for all Honeywell Non-Programmable Thermostats. The process will vary depending on the specific thermostat. However, here are the two most common methods:

Method 1: Power Cycle Reset

  • Turn off the power: This can be done by flipping the breaker that controls your HVAC system, or by removing the batteries from the thermostat (if battery-powered).
  • Hold the reset button (if present): Some non-programmable Honeywell Thermostats have a dedicated reset button, usually located near the display or behind a cover panel. If your model has one, hold it down for about 5-10 seconds while the power is off.
  • Restore power: Turn the breaker back on or reinsert the batteries.

Method 2: Menu Reset (for some models)

  • Check your thermostat for a "Menu" button. Not all Honeywell Non-Programmable Thermostats will have one.
  • If present, press and hold the "Menu" button. While holding it, navigate through the options (if any) until you find a "Reset" function. This might involve pressing arrow buttons.
  • Select "Reset" and confirm the prompt (if applicable).
Product Details
Product Specs
UPC:
085267262415
MPN:
CT31A1003/E1
Category:
Thermostats
Product Manuals
Honeywell Home Heat and Cool Non-Programmable Thermostat - CT31A Video

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CT31A1003/E customer reviews

Overall Rating

4.7
3 Reviews
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3 customers recommend this product
Honeywell Home Heat and Cool Non-Programmable Thermostat - CT31A Reviews
John Zollo
January 16, 2020
Verified Purchase

Was exactly as represented. Direct replacement for one the stopped woking

Brian Moore
March 7, 2014
Verified Purchase
good product

I use this product in my home and it is very solid. It is also very easy to replace if needed...

Arthur Mead
October 18, 2011
Good value!

Bought 2 for rental houses, easy to install and work good.

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