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Goodman
Furnace

Model # GUN075-3B Official Goodman gas furnace

Here are the diagrams and repair parts for Official Goodman GUN075-3B gas furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 59 parts  |
Gas Valve 12826-06S
#1

Gas train diagram

Gas valve

Part #12826-06S

The manufacturer no longer makes this part, and there's no substitute part

Furnace Inducer Vent Motor Assembly B1859001S
#9

Misc. electrical/hardware diagram

Furnace inducer vent motor assembly

Part #B1859001S

$1126.40
In Stock
Heat Exchange 18212-31S
#4C

Heat exchanger assembly diagram

Heat exchange

Part #18212-31S

Replaced by #0257F00067

?
Manufacturer substitution
This part replaces 18212-31S. Substitute parts can look different from the original.
$1620.55
In Stock
Limit, 150f, B13700-06
#2B

Heat exchanger assembly diagram

Limit, 150f,

Part #B13700-06

Replaced by #1370906S

?
Manufacturer substitution
This part replaces B13700-06. Substitute parts can look different from the original.
$48.84
In Stock
Hose Clamp # B18100-00
#8

Heat exchanger assembly diagram

Hose clamp #

Part #B18100-00

The manufacturer no longer makes this part, and there's no substitute part

Burner Assembly B18225-13
#5G

Gas train diagram

Burner assembly

Part #B18225-13

The manufacturer no longer makes this part, and there's no substitute part

Heat Exchange 18212-28S
#4

Heat exchanger assembly diagram

Heat exchange

Part #18212-28S

The manufacturer no longer makes this part, and there's no substitute part

Secondary Ai 18224-10
#5B

Heat exchanger assembly diagram

Secondary ai

Part #18224-10

The manufacturer no longer makes this part, and there's no substitute part

Gas Burner B18225-00
#5

Gas train diagram

Gas burner

Part #B18225-00

The manufacturer no longer makes this part, and there's no substitute part

Flue Collector (gun100-4b, Gus100-4) 18812-15
#7A

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

Repair guides for bottom-mount refrigerators

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Repair difficulty
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Repair difficulty
Time required
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