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Janitrol GUN125-5B gas furnace Parts
Here are the diagrams and repair parts for Janitrol GUN125-5B gas furnace, as well as links to manuals and error code tables, if available.
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Browse Parts for GUN125-5B Gas Furnace
Heat exchanger assembly diagram
Secondary He
Part #B18646-01
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
Gas train diagram
Manifold, 4
Part #B18264-14
The manufacturer no longer makes this part, and there's no substitute part
Misc. electrical/hardware diagram
Combustion A
Part #B18105-06
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
Heat exchanger assembly diagram
Upper Conn.
Part #B18103-00
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Manifold Bra
Part #18159-02
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Flue Collector (gun100-4b, Gus100-4)
Part #18812-15
The manufacturer no longer makes this part, and there's no substitute part
Casing diagram
Furnace Blower Door
Part #18223-40
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Transfer Tub
Part #B18102-02
The manufacturer no longer makes this part, and there's no substitute part
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