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GMC GUS100-4 gas furnace Parts
Here are the diagrams and repair parts for GMC GUS100-4 gas furnace, as well as links to manuals and error code tables, if available.
By Schematic
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Browse Parts forGUS100-4 Gas Furnace
Casing diagram
Top Channel (gun125-5b, Gus125-5)
Part #18221-06S
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Top Channel (gun050-2b, Gun075-3b, Gus050-2, Gus075-3)
Part #18221-04S
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Burner Box T
Part #18823-02
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Flue Restrictor (gun075-3b, Gus075-3)
Part #18248-01S
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Motor
Part #B13400-14
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Furnace Blower Door
Part #18223-41
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Compression
Part #B18100-02
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Motor
Part #B13400-12
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Ctl Access D
Part #18813-13P
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Casing Assembly
Part #18161-30S
The manufacturer no longer makes this part, and there's no substitute part
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