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Amana
Furnace

Model # GS100B3 Official Amana gas-fired furnace

Here are the diagrams and repair parts for Official Amana GS100B3 gas-fired 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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Showing 10 of 194 parts  |
Air Filter - 16 X 25 X 1 - Hi - Velocity 22-1134
Air filter - 16 x 25 x 1 - hi - velocity

Part #22-1134

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

Motor - Direct Drive A06622a 20-0033
#13A

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Motor - direct drive a06622a

Part #20-0033

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

Flue Baffles (nat. Gas) 905-0902
#53A

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Flue baffles (nat. gas)

Part #905-0902

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

Thermostat (heat) - M-h T87f1008 21-0840
Thermostat (heat) - m-h t87f1008

Part #21-0840

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

Mainfold Assembly (less Controls) 985-1173
#45D

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Mainfold assembly (less controls)

Part #985-1173

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

Case 970-0010
Case

Part #970-0010

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

Motor - Direct Drive 1/4 Red. Ay6820a 20-0122
Motor - direct drive 1/4 red. ay6820a

Part #20-0122

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

Limit Switch 21-0144
#22A

(gs50ah) (gs50aa) (gs50a2) (gs50da) (gs075ah) (gs075aa) (gs075a2) (gs075da) (gs075a3) (gs075fa) (gs075bh) (gs075ma) (gs075b2) (gs075pa) (gs075ra) (gs075b3) (gs100aa) (gs100ah) (gs100a2) (gs100da) (gs100fa) (gs100a3) (gs100a4) (gs100ga) (gs100bh) (gs100ma diagram

Limit switch

Part #21-0144

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

Right Side Panel Assembly 267-3100
#31A

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Right side panel assembly

Part #267-3100

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

Cabinet Base Assembly 270-4000
#30D

(gs050) (gs075) (gs100) (gs125) (gs150) (gs165) diagram

Cabinet base assembly

Part #270-4000

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

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