Furnace

Model # GH120 Official Amana gas horizontal furnace

Here are the diagrams and repair parts for Official Amana GH120 gas horizontal furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for
GH120 Gas Horizontal Furnace
Top And/or Bottom Panel Assembly 594-1100
#3A

Renewal parts diagram

Top and/or bottom panel assembly

Part #594-1100

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

Blower Shaft - 3/4 X 10-11/16 20-4186

#NI

All parts diagram

Blower shaft - 3/4 x 10-11/16

Part #20-4186

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

Furnace Blower Wheel 20-5045
#42B

Renewal parts diagram

Furnace blower wheel

Part #20-5045

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

Blower Bearing (2 Req'd) 3/4" Lau 7114 20-5030

#NI

All parts diagram

Blower bearing (2 req'd) 3/4" lau 7114

Part #20-5030

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

Blower Housing (w/brackets) 980-1253

#NI

All parts diagram

Blower housing (w/brackets)

Part #980-1253

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

Transformer, Heat-cool H At40a1014 21-0857

#NI

All parts diagram

Transformer, heat-cool h at40a1014

Part #21-0857

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

Heat-cool Relay 22-9638

#NI

All parts diagram

Heat-cool relay

Part #22-9638

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

Discharge End Cap Assembly 595-6185
#5B

Renewal parts diagram

Discharge end cap assembly

Part #595-6185

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

Motor - Belt Drive, 1/3 Hp-316p308 20-9215
#49B

Renewal parts diagram

Motor - belt drive, 1/3 hp-316p308

Part #20-9215

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

Blower Wheel - 1/2" Bore 20-5065

#NI

All parts diagram

Blower wheel - 1/2" bore

Part #20-5065

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

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