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Amana
Furnace

Model # GH120MB Official Amana gas horizontal furnace

Here are the diagrams and repair parts for Official Amana GH120MB gas horizontal 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 171 parts  |
Blower Wheel - 1/2" Bore 20-5114

#NI

All parts diagram

Blower wheel - 1/2" bore

Part #20-5114

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

Blower Cutoff 980-1135

#NI

All parts diagram

Blower cutoff

Part #980-1135

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

Blower Assembly (complete W/motor), 10-8d 980-0308
#37E

Renewal parts diagram

Blower assembly (complete w/motor), 10-8d

Part #980-0308

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

Motor Mounting Bracket 980-1216
#48A

Renewal parts diagram

Motor mounting bracket

Part #980-1216

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

Flue Pouch Cover Plate 975-2491

#NI

All parts diagram

Flue pouch cover plate

Part #975-2491

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

Main Burner Orifice (drill 55) 1 Per Burner - L.p. Gas O 22-1686

#NI

All parts diagram

Main burner orifice (drill 55) 1 per burner - l.p. gas o

Part #22-1686

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

Motor Bracket Support - : 20-5115

#NI

All parts diagram

Motor bracket support - :

Part #20-5115

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

Thermostat Heat-cool H T8034c1036 21-0844

#NI

All parts diagram

Thermostat heat-cool h t8034c1036

Part #21-0844

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

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Why won't my range's gas burner spark or ignite?

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Repair guides for gas ranges

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Repair difficulty
Time required
 30 minutes or less
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How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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Repair difficulty
Time required
 15 minutes or less

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