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Amana
Furnace

Model # GSC125FA Official Amana gas-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana GSC125FA gas-fired counterflow 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 164 parts  |
Manifold Assembly (less Controls) 985-1183
#45E

Replacement parts diagram

Manifold assembly (less controls)

Part #985-1183

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

Blower Cutoff 5-7/8x12-1/8 980-1131
#4C

Replacement parts diagram

Blower cutoff 5-7/8x12-1/8

Part #980-1131

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

Drafthood Assembly 975-0193
#44C

Replacement parts diagram

Drafthood assembly

Part #975-0193

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

Filter Service Door 960-9261
#40C

Replacement parts diagram

Filter service door

Part #960-9261

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

Rear Panel Assembly 367-7000
#33A

Replacement parts diagram

Rear panel assembly

Part #367-7000

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

Furnace Blower Housing 980-1152
#3B

Replacement parts diagram

Furnace blower housing

Part #980-1152

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

Drafthood Assembly 975-0192
#44B

Replacement parts diagram

Drafthood assembly

Part #975-0192

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

Blower Assembly (complete W/motor) 980-0138
#1B

Replacement parts diagram

Blower assembly (complete w/motor)

Part #980-0138

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

Furnace Blower Access Door 368-5510
#35B

Replacement parts diagram

Furnace blower access door

Part #368-5510

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

Burner Tube Spacer 975-1038
#54B

Replacement parts diagram

Burner tube spacer

Part #975-1038

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

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

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Why won't my pressure washer engine start?

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

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Why does my pressure washer's engine lose power?

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

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Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

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Why is smoke coming from the pressure washer's exhaust?

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

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Why does water spray out of my pressure washer's pressure relief valve?

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

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Why is the spray from my pressure washer weak?

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

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Why won't my pressure washer mix in the detergent?

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

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Why doesn't my pressure washer recoil starter work?

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

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Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

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How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

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Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

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Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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