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Amana
Furnace

Model # GS125B3 Official Amana gas-fired furnace

Here are the diagrams and repair parts for Official Amana GS125B3 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  |
Motor Capacitor 6mfd-370v 22-9664
Motor capacitor 6mfd-370v

Part #22-9664

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

Motor Capacitor, 5 Mfd - 440v 22-9603
#21B

(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 capacitor, 5 mfd - 440v

Part #22-9603

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

Vestibule Panel - B Units 269-5011
#37F

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

Vestibule panel - b units

Part #269-5011

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

Furnace Blower Access Panel 271-1125
Furnace blower access panel

Part #271-1125

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

Bearing Cups - 3/4" Lau #7667 20-5025
#8

(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

Bearing cups - 3/4" lau #7667

Part #20-5025

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

Furnace Blower Access Panel 267-2460
#35A

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

Furnace blower access panel

Part #267-2460

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

Automatic Gas Valve - 1/2 X 3/4 (m.h. V8243a1035) 21-0808
#71

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

Automatic gas valve - 1/2 x 3/4 (m.h. v8243a1035)

Part #21-0808

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

Blower Wheel 7/16 Bore 20-5085
#5A

(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

Blower wheel 7/16 bore

Part #20-5085

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

Front Plenum Flange 267-1125
#34A

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

Front plenum flange

Part #267-1125

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

Blower Wheel 1/2 Bore 20-5078
Blower wheel 1/2 bore

Part #20-5078

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

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