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Amana
Furnace

Model # OH-168-4 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OH-168-4 oil 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 275 parts  |
Nozzle Adapter D9613820
Nozzle adapter

Part #D9613820

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

Insulation, 25 X 26 1/2 B9211711

#NI

All parts diagram

Insulation, 25 x 26 1/2

Part #B9211711

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

Blower Barrier Assembly C9427401
#23A

(osc-96d) (osc-96) (osc-96-3) diagram

Blower barrier assembly

Part #C9427401

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

Finishing Collar Gasket B9210803
#49B

(ol-84) (ol-96) (ol-96-3) (ol-112) (ol-112-4) (ol-140) (ol-140-4) diagram

Finishing collar gasket

Part #B9210803

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

Blower Wheel, 13 X 9, 3013109 M0876002
#27B

(ol-84) (ol-96) (ol-96-3) (ol-112) (ol-112-4) (ol-140) (ol-140-4) diagram

Blower wheel, 13 x 9, 3013109

Part #M0876002

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

Flue Collar Gasket B9210705
#4C

(ol-84) (ol-96) (ol-96-3) (ol-112) (ol-112-4) (ol-140) (ol-140-4) diagram

Flue collar gasket

Part #B9210705

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

Gusset Baffle, Left Front B9217102
#7B

(oh-84d) (oh-96d) (oh-84) (oh-84-3) (oh-96) (oh-96-3) (oh-112) (oh-112-4) (oh-140) (oh-140-4) (oh-168) (oh-168-4) (oh-184) (oh-184-5) diagram

Gusset baffle, left front

Part #B9217102

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

Insulation, 23 5/8 X 36 B9211703
Insulation, 23 5/8 x 36

Part #B9211703

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

Vestibule Cap Panel C9410601
#8B

(oh-84d) (oh-96d) (oh-84) (oh-84-3) (oh-96) (oh-96-3) (oh-112) (oh-112-4) (oh-140) (oh-140-4) (oh-168) (oh-168-4) (oh-184) (oh-184-5) diagram

Vestibule cap panel

Part #C9410601

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

Support Angle, Heat Exchanger B9221001
#27A

(oh-84d) (oh-96d) (oh-84) (oh-84-3) (oh-96) (oh-96-3) (oh-112) (oh-112-4) (oh-140) (oh-140-4) (oh-168) (oh-168-4) (oh-184) (oh-184-5) diagram

Support angle, heat exchanger

Part #B9221001

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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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

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Repair difficulty
Time required
 15 minutes or less

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