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Amana
Furnace

Model # YY-100-A3 Official Amana horizontal gas furnace - yy series

Here are the diagrams and repair parts for Official Amana YY-100-A3 horizontal gas furnace - yy series, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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Showing 10 of 170 parts  |
Draft Diverter Counter Flange 975-2485
#19B

Replacement parts diagram

Draft diverter counter flange

Part #975-2485

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

Air Cover And Shield Assembly 975-2482
#10

Replacement parts diagram

Air cover and shield assembly

Part #975-2482

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

Motor Pulley 20-1521
#54B

Replacement parts diagram

Motor pulley

Part #20-1521

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

Blower Cutoff 980-1330

#NI

All parts diagram

Blower cutoff

Part #980-1330

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

Draft Diverter Counter Flange 975-2484
#19A

Replacement parts diagram

Draft diverter counter flange

Part #975-2484

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

Front And Rear Access Panels (2 Req'd) 574-2460
#1D

Replacement parts diagram

Front and rear access panels (2 req'd)

Part #574-2460

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

Blower Assembly Complete With Motor, 9-9d 980-0142
#39B

Replacement parts diagram

Blower assembly complete with motor, 9-9d

Part #980-0142

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

Manifold Bracket Gasket (2 Req'd) 22-2332

#NI

All parts diagram

Manifold bracket gasket (2 req'd)

Part #22-2332

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

Main Burner Orifice, 120,000 Input, Propane Gas 2 Req'd, 22-1716

#NI

All parts diagram

Main burner orifice, 120,000 input, propane gas 2 req'd,

Part #22-1716

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

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 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
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 replace a pressure washer pump

How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…

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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

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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