Amana
Furnace

Model # OSC-112-4 Official Amana oil furnace

Here are the diagrams and repair parts for Official Amana OSC-112-4 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  |

Right Rear Gusset B9226801
#7B

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

Right rear gusset

Part #B9226801

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

Front Tie Angle B9215901
#24A

(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 tie angle

Part #B9215901

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

Left Side Panel Assembly C9414005
#30A

(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

Left side panel assembly

Part #C9414005

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

Filter Media, 27 X 34 X 1/2 A9006202
#44B

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

Filter media, 27 x 34 x 1/2

Part #A9006202

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

Vestibule Cap Panel C9410501
#8A

(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 #C9410501

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

Flue Collar Assembly C9410907
#3C

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

Flue collar assembly

Part #C9410907

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

Filter Media, 21 X 30 X 1/2 A9006201
#44A

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

Filter media, 21 x 30 x 1/2

Part #A9006201

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

Burner Compartment Panel Assembly B9215702
#10B

(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

Burner compartment panel assembly

Part #B9215702

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

Blower Barrier Panel C9412501
#25A

(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

Blower barrier panel

Part #C9412501

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

Bearing Assembly M0875806
Bearing assembly

Part #M0875806

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Repair guides for treadmills

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

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking board

How to replace a treadmill walking board

A worn-out walking board creates friction with the walking belt and causes the belt to slow down during use. Replace the…

Repair difficulty
Time required
 30 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 treadmill.

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.…