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Amana
Furnace

Model # OSCH-140 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OSCH-140 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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ALL PARTS
Showing 10 of 121 parts  |
Filter Rack Back Assembly B9236401
#2C

Replacement parts diagram

Filter rack back assembly

Part #B9236401

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

Flue Collar Gasket B9210702
#10B

Replacement parts diagram

Flue collar gasket

Part #B9210702

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

Disposable Filter, 20 X 20 X 1 C9401805
#3A

Replacement parts diagram

Disposable filter, 20 x 20 x 1

Part #C9401805

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

Blower Barrier Assembly C9427501
#23B

Replacement parts diagram

Blower barrier assembly

Part #C9427501

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

Rear Blower Compartment Panel C9429102
#34B

Replacement parts diagram

Rear blower compartment panel

Part #C9429102

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

Corner Post Assembly B9237603
#5C

Replacement parts diagram

Corner post assembly

Part #B9237603

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

Rear Panel Assembly B9233303
#32C

Replacement parts diagram

Rear panel assembly

Part #B9233303

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

Blower Wheel, 9 X 8, 3009108 M0875102
#36B

Replacement parts diagram

Blower wheel, 9 x 8, 3009108

Part #M0875102

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

Filter Rack Side Assembly C9428401
#1C

Replacement parts diagram

Filter rack side assembly

Part #C9428401

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

Heat Exchanger And Combustion Chamber Assembly D9607801
#24A

Replacement parts diagram

Heat exchanger and combustion chamber assembly

Part #D9607801

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

Symptoms for electric water heaters

Why does my water heater's heating element fail often?

Main causes: excessive tank sediment, high voltage supply...

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Why does the temperature of my hot water fluctuate?

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t...

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Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f...

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Repair difficulty
Time required
30 minutes or less
How to replace an electric water heater anode rod

How to replace an electric water heater anode rod

If your hot water begins to smell like rotten eggs, replace the anode rod with a zinc-aluminum anode rod following the i...

Read more
Repair difficulty
Time required
15 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h...

Read more
Repair difficulty
Time required
30 minutes or less

Effective articles & videos to help repair your furnaces

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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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