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Janitrol GMN120-5 gas furnace Parts
Here are the diagrams and repair parts for Janitrol GMN120-5 gas furnace, as well as links to manuals and error code tables, if available.
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Browse Parts for GMN120-5 Gas Furnace
Heat exchanger diagram
Rtnr Bracket
Part #28702-01
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger diagram
J Box
Part #25145-00
The manufacturer no longer makes this part, and there's no substitute part
Heat exchangers/misc.electrical diagram
Rubber Sleev
Part #B18104-01
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger diagram
Furnace Blower Mount
Part #28171-01
The manufacturer no longer makes this part, and there's no substitute part
Heat exchangers/misc.electrical diagram
Control Moun
Part #18158-12
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger diagram
Cntl Acce Dr
Part #28125-03S
The manufacturer no longer makes this part, and there's no substitute part
Heat exchangers/misc.electrical diagram
Front Panel
Part #28301-03
The manufacturer no longer makes this part, and there's no substitute part
Heat exchangers/misc.electrical diagram
6 Cl, Burner
Part #25135-04
The manufacturer no longer makes this part, and there's no substitute part
Heat exchangers/misc.electrical diagram
Furnace Air Pressure Switch
Part #B13701-50
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger diagram
Cover
Part #25155-00
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas ranges
Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…
Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…
Repair guides for gas ranges
How to replace a gas range oven igniter
If your gas oven doesn't heat up, the problem could be a faulty oven igniter. These step-by-step instructions guide you …
Repair time and Difficulty
45 minutes or less
How to replace an oven temperature sensor on a gas range
See how to replace an oven temperature sensor on a gas range.…
Repair time and Difficulty
15 minutes or less
How to replace a gas range oven control board
These step-by-step instructions explain how to replace an oven control board on a gas range…
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your furnaces
Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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