Amana
Furnace

Model # OC-100 Official Amana oil-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana OC-100 oil-fired counterflow 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 153 parts  |

Blower Assembly (complete W/ Motor) 10-8 980-0177

#NI

All parts diagram

Blower assembly (complete w/ motor) 10-8

Part #980-0177

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

Heat Exchanger Assembly 900-4201
#23B

Replacement parts diagram

Heat exchanger assembly

Part #900-4201

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

Panel - Access Cleanout Assembly 457-6166
#11

Replacement parts diagram

Panel - access cleanout assembly

Part #457-6166

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

Fire Box 25-0070
#25A

Replacement parts diagram

Fire box

Part #25-0070

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

Motor Bracket - Support 980-1245
#53B

Replacement parts diagram

Motor bracket - support

Part #980-1245

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

Panel - Right Side Assembly 305-3100
#2B

Replacement parts diagram

Panel - right side assembly

Part #305-3100

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

Panel - Lower Vestibule 304-5050
#5A

Replacement parts diagram

Panel - lower vestibule

Part #304-5050

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

Door - Vestibule Access Assembly 304-2700
#12A

Replacement parts diagram

Door - vestibule access assembly

Part #304-2700

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

Fire Box 25-0102
#25B

Replacement parts diagram

Fire box

Part #25-0102

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

Blower Assembly (complete W/ Motor) 10-8d 980-0184

#NI

All parts diagram

Blower assembly (complete w/ motor) 10-8d

Part #980-0184

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

Symptoms for top-mount refrigerators

Main causes: frozen or clogged defrost drain tube, cracked water system tubing...

Repair guides for top-mount refrigerators

How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water...

Repair difficulty
Time required
15 minutes or less
How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa...

Repair difficulty
Time required
15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost....

Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your furnaces

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....