Amana
Furnace

Model # OSC-112 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OSC-112 oil furnace, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

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

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 275 parts  |

Static Pressure Disc, Solid 2 3/4 Light Green D9613822
Static pressure disc, solid 2 3/4 light green

Part #D9613822

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

Front Barrier Panel Assembly B9216904
#12D

(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

Front barrier panel assembly

Part #B9216904

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

Name Plate Tab Fastened B9200001
Name plate tab fastened

Part #B9200001

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

Support Angle, Heat Exchanger B9221301
#27D

(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 #B9221301

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

Electrode Rod Assembly, Right And Left 4 1/2" D9613823
Electrode rod assembly, right and left 4 1/2"

Part #D9613823

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

Clean Out Cover Plate C9418701
#16C

(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

Clean out cover plate

Part #C9418701

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

Pouch Gasket B9211201
Pouch gasket

Part #B9211201

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

Insulation, 31 3/4 X 36 B9211705
Insulation, 31 3/4 x 36

Part #B9211705

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

Flue Collar Assembly C9410906
#3B

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

Flue collar assembly

Part #C9410906

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

Filter Support Angle B9226202
#45B

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

Filter support angle

Part #B9226202

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

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

Repair guides for gas chainsaws

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

How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…

Repair difficulty
Time required
 15 minutes or less
How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Repair difficulty
Time required
 15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

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 chainsaw.

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.…

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.…

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.…