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Model # GM144K20C Official Thermal Zone gas furnace
Here are the diagrams and repair parts for Official Thermal Zone GM144K20C gas furnace, as well as links to manuals and error code tables, if available.
By Schematic
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Browse Parts for
GM144K20C Gas Furnace
#22
80+ upflow furnace diagram
Capacitor
Part #621435
Replaced by #12908
?
Manufacturer substitution
This part replaces 621435. Substitute parts can look different from the original.
$107.77 |
10% OFF Phone Price : $119.77
In Stock
#25
80+ upflow furnace diagram
Kenmore furnace electronic control board
Part #903106
The manufacturer no longer makes this part, and there's no substitute part
#23
80+ upflow furnace diagram
Furnace blower fan motor assembly
Part #902816
The manufacturer no longer makes this part, and there's no substitute part
#25A
80+ upflow furnace diagram
Furnace control module assembly
Part #903108
The manufacturer no longer makes this part, and there's no substitute part
#20
80+ upflow furnace diagram
Furnace blower wheel
Part #667277
The manufacturer no longer makes this part, and there's no substitute part
#6
80+ upflow furnace diagram
Sensor rod
Part #632316
The manufacturer no longer makes this part, and there's no substitute part
#7
80+ upflow furnace diagram
Furnace burner flame roll-out switch
Part #626343
The manufacturer no longer makes this part, and there's no substitute part
#18
80+ upflow furnace diagram
Limit sw
Part #626418
The manufacturer no longer makes this part, and there's no substitute part
#17
80+ upflow furnace diagram
Switch
Part #632212
The manufacturer no longer makes this part, and there's no substitute part
#2
80+ upflow furnace diagram
Gas valve
Part #624586
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas ranges
Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…
Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…
Repair guides for gas ranges
![How to replace oven door hinges on a gas range](https://images.ctfassets.net/fpe0ec7r30ix/3pM2iisab1N5BJIyh0uE1I/9fb20491b7bffdbcbfeca744c2079784/RG-RA-gas-range-oven-door-hinge-intro.jpg?fm=png&w=270&h=270)
How to replace oven door hinges on a gas range
See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…
Repair difficulty
Time required
15 minutes or less
![How to replace a range spark igniter switch](https://images.ctfassets.net/fpe0ec7r30ix/FjR06CamgoDroEm3KpnIv/65f8d6da73ad71b0d96d236bdfe2d090/RG-RA-Replace-Range-Spark-Igniter-Switch-Intro-Image.jpg?fm=png&w=270&h=270)
How to replace a range spark igniter switch
Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…
Repair difficulty
Time required
60 minutes or less
![How to replace a range spark igniter electrode](https://images.ctfassets.net/fpe0ec7r30ix/5AVtd7dmqoOgBJZSWVLlr7/ce39d6b28d2ad55a7b0ce41a02880cf3/RG-RA-Replace-Range-Spark-Igniter-Electrode-Intro-Image.jpg?fm=png&w=270&h=270)
How to replace a range spark igniter electrode
Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…
Repair difficulty
Time required
45 minutes or less
Effective articles & videos to help repair your furnaces
![How to get your furnace ready for winter](https://images.ctfassets.net/fpe0ec7r30ix/6tjl37bL8lbNiFH4ixTy9F/aa89c2101d8730c8615c59ed03dd59a4/Furnace_maintenance_introduction_image.jpg?fm=png&w=270&h=270)
Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…
![Introducing new technical repair content that we’re developing for the Sears Technical Institute](https://images.ctfassets.net/fpe0ec7r30ix/h37HF6l95R6wr30v9GY4z/9ed34e8b63257f4811189b60d81c4876/New_Sears_Technical_Institute_Informations.png?fm=png&w=270&h=270)
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
![Top questions about Sears and Sears PartsDirect](https://images.ctfassets.net/fpe0ec7r30ix/71r4g5Qhkmxm0giaIpcktG/e37c53ab5e6190ca17767b9872422fb8/Sears_PartsDirect_questions.png?fm=png&w=270&h=270)
Get answers to frequently asked questions about Sears and Sears PartsDirect.…