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Goodman GMTH045-3B gas furnace Parts
Here are the diagrams and repair parts for Goodman GMTH045-3B gas furnace, as well as links to manuals and error code tables, if available.
Installation guide
By Schematic
SELECT DIAGRAM
Browse Parts forGMTH045-3B Gas Furnace
Burner box assembly diagram
Manifold, Gas 2 Cl (gmt045-3b, Gdt045-3b, Gmth045-3b)
Part #B4026005
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Furnace Flue Restrictor Plate
Part #4028001
The manufacturer no longer makes this part, and there's no substitute part
Heat exchanger assembly diagram
Secondary Heat Exchanger Coil, 14" (gmnt040-3b, Gmnt060-3b)
Part #4864604S
The manufacturer no longer makes this part, and there's no substitute part
Wrapper assembly diagram
Top, Painted, 24.5" (gmt140-5b)
Part #4008011P
The manufacturer no longer makes this part, and there's no substitute part
Misc. components/drain kit assembly diagram
Drain Kit
Part #B4810711
The manufacturer no longer makes this part, and there's no substitute part
Misc. components/drain kit assembly diagram
Furnace Door Switch
Part #B13708-20
The manufacturer no longer makes this part, and there's no substitute part
Wrapper assembly diagram
Door-blwr
Part #2515009
The manufacturer no longer makes this part, and there's no substitute part
Wrapper assembly diagram
Wrapper/insulation Assembly, 14" (gmnt040-3b, Gmnt060-3b)
Part #4826500S
The manufacturer no longer makes this part, and there's no substitute part
Wrapper assembly diagram
Panel
Part #4815802
The manufacturer no longer makes this part, and there's no substitute part
Burner box assembly diagram
Manifold
Part #B4026006
The manufacturer no longer makes this part, and there's no substitute part
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