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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.
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Browse Parts forGUS100-4 Gas Furnace
Gas train diagram
Burner Assembly
Part #B18225-10
The manufacturer no longer makes this part, and there's no substitute part
Gas train diagram
Burner Assembly
Part #B18225-13
The manufacturer no longer makes this part, and there's no substitute part
Blower assembly diagram
Blower Wheel
Part #B13680-46
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Comb Box Frt
Part #18820-15
The manufacturer no longer makes this part, and there's no substitute part
Misc. electrical/hardware diagram
Rubber Coupl
Part #B18104-00
The manufacturer no longer makes this part, and there's no substitute part
Misc. electrical/hardware diagram
Door Switch
Part #B13708-18
The manufacturer no longer makes this part, and there's no substitute part
Gas train diagram
Furnace Burner Flame Sensor
Part #B11726-05
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Heat Exchange
Part #18212-28S
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Secondary Air Door (gus100-4)
Part #18820-08
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Limit, 240f,
Part #B13700-03
The manufacturer no longer makes this part, and there's no substitute part
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