Name: Wall Thermostat
Brand: Honeywell
SKU: i2633895
Price: 127.44 USD
Availability: OutOfStock

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Furnace not heating

Non-progr.digital thermostat, doubl pole heat only

The wall thermostat has electrical contacts that control the power supply to the furnace. If the contacts in the thermostat fail, the furnace will not turn on. To determine if the thermostat is defective, use a multimeter to test it for continuity. If the wall thermostat does not have continuity, replace it.

Furnace blower not running

Check to see if the furnace blower comes on when you jump the control board contacts for the red (“R”) and green (“G”) wire terminals. If it does, then it's likely the wall thermostat is defective and unable to alert the furnace control board to turn on the blower. You will need to replace the wall thermostat to regain control of the blower.

Furnace blower runs all the time

The wall thermostat has electrical contacts that control the power supply to the furnace. If the contact that controls the blower motor sticks closed, it will send continuous voltage to the blower motor, causing the motor to run continuously. To determine if the thermostat is defective, use a multi-meter to test it for continuity. If the wall thermostat shows continuity between the (R) and (G) terminals when the thermostat is in the off position  the thermostat has failed and will need to be replaced.  

Furnace not turning on

The wall thermostat has electrical contacts that control the heating, cooling and fan modes of the furnace. If the contacts in the thermostat fail, the furnace will not turn on. To determine if the thermostat is defective, use a multimeter to test it for continuity in the respective modes. If the wall thermostat does not have continuity, replace it.

Furnace blower is running constantly but there is no heat

The wall thermostat has electrical contacts that control the power supply to the furnace. If the contact that controls the blower motor sticks closed, it will send continuous voltage to the blower motor, causing the motor to run continuously. To determine if the thermostat is defective, use a multi-meter to test it for continuity. If the wall thermostat shows continuity between the (R) and (G) terminals when the thermostat is in the off position the thermostat has failed and will need to be replaced.


Furnace is frequently cycling/short cycling

The wall thermostat has electrical contacts that control the power supply to the furnace. If the contacts in the thermostat fail, the furnace may cycle intermittently. To determine if the thermostat is defective, use a multimeter to test it for continuity. If the wall thermostat does not show proper continuity, replace it.

Furnace has poor temperature control

The wall thermostat has electrical contacts that control the power supply to the furnace. If the contacts in the thermostat fail, the furnace may not turn or may turn on intermittently. To determine if the thermostat is defective, use a multimeter to test it for continuity. If the wall thermostat does not show proper continuity, replace it.

Furnace wall thermostat not working properly

The wall thermostat is responsible for controlling components and regulating the home's temperature. The thermostat can be powered with 24 volts from a control board on a separate unit like a furnace or air handler, or from batteries in the thermostat itself. The thermostat also has terminals to receive and distribute low voltage 24 volt power to run different HVAC products such as a furnace, air conditioner, or heat pump. If the wall thermostat is receiving power but the display is dead or it will not send power out in the appropriate modes, the wall thermostat will need to be replaced.


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Honeywell

Wall Thermostat

Thermostat

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Furnace blower runs all the time? This video provides information on how to troubleshoot a furnace blower that runs continuously and the most likely defective parts associated with this problem. Commonly replaced furnace parts: Wall Thermostat Control Board The information provided in this furnace troubleshooting video is applicable to all brands: Air Bear Trion, Amana, Arcoaire, Broan, Bryant, Carrier, Coleman, Comfortmaker, DuroGuard, Fasco, Frigidaire, Garrison, Gibson, Goodman, Grandaire, Heil, Honeywell, ICM, ICP, Intertherm, Kelvinator, Kenmore, Lennox, Luxaire, Mammoth, Mars, Maytag, Medallion, Miller, Nordyne, Nutone, Payne, Philco, Rheem, Ruud, Tappan, Tempstar, Thermal Zone, Trane, WeatherKing, Westinghouse, White Rogers, York RepairClinic has millions of replacement parts for appliances, lawn equipment, power tools, and heating & cooling equipment including washers, dryers, dishwashers, refrigerators, lawn mowers, snowblowers, furnaces, and air conditioners. We guarantee the fastest shipping possible—all in-stock parts ship the same business day. Return any part for any reason with our generous 365-day return policy. In addition to providing replacement parts, RepairClinic.com offers free online troubleshooting information and DIY repair videos. Use our website to choose from a series of problems to discover the likely causes and the correct replacement part(s) for your particular model. Once you’ve determined the solution, our expertly-produced video tutorials will guide you through every step of the repair. At RepairClinic, we make fixing things easy!

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Wall-Thermostat

Honeywell TL7235A1003 Furnace Wall Thermostat | Repair Clinic

Honeywell Furnace Wall Thermostat TL7235A1003

This part TL7235A1003 is compatible with:

Related Articles & Videos

Wall Thermostat Customer Reviews

Common Problems Fixed by the Wall Thermostat

Furnace blower not running

Furnace wall thermostat not working properly

Furnace not turning on

Furnace not heating

Furnace blower runs all the time

Furnace blower is running constantly but there is no heat

Furnace has poor temperature control

Furnace is frequently cycling/short cycling

About the Wall Thermostat

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