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GMC GMN100-4 gas furnace Parts
Here are the diagrams and repair parts for GMC GMN100-4 gas furnace, as well as links to manuals and error code tables, if available.
By Schematic
SELECT DIAGRAM
Browse Parts for GMN100-4 Gas Furnace
Heat assembly/electrical diagram
Flue Col Box
Part #B28100-06Replaced by #28200-06S
Manufacturer substitutionThis part replaces B28100-06. Substitute parts can look different from the original.In Stock$92.7559% OFF Was : $225.19
Qty
Heat exchanger diagram
Furnace Blower Shell
Part #25393-03Replaced by #0271A00016S
Manufacturer substitutionThis part replaces 25393-03. Substitute parts can look different from the original.In Stock$136.578% OFF Phone Price : $148.57QtyHeat assembly/electrical diagram
Burner Side
Part #25140-00Replaced by #0121F00146
Manufacturer substitutionThis part replaces 25140-00. Substitute parts can look different from the original.In Stock$24.40QtyHeat assembly/electrical diagram
Limit
Part #B13700-10Replaced by #1370910S
Manufacturer substitutionThis part replaces B13700-10. Substitute parts can look different from the original.In Stock$72.948% OFF Phone Price : $78.94QtyHeat assembly/electrical diagram
Flue Col Gsk
Part #B28325-02
The manufacturer no longer makes this part, and there's no substitute part
Heat assembly/electrical diagram
Manifold, 5 Cell (model Gmn100-4)
Part #B25260-06
The manufacturer no longer makes this part, and there's no substitute part
Heat assembly/electrical diagram
Inshot Brnr
Part #25227-03S
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger diagram
Furnace Blower Assembly
Part #28682-02S
The manufacturer no longer makes this part, and there's no substitute part
Heat assembly/electrical diagram
Door Switch
Part #B13708-19
The manufacturer no longer makes this part, and there's no substitute part
Heat assembly/electrical diagram
Inr Frnt Pnl
Part #28215-02S
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.…
Find out how new DOE standards going into effect in 2023 can affect you and what you need to do.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
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