Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Amana
Furnace

Model # OC100-B3 Official Amana oil-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana OC100-B3 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 Housing Assembly W/brkts. 980-1249
#39A

Replacement parts diagram

Blower housing assembly w/brkts.

Part #980-1249

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

Blower Cutoff 980-1231

#NI

All parts diagram

Blower cutoff

Part #980-1231

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

Box - Upper Junction 970-0053
#14

Replacement parts diagram

Box - upper junction

Part #970-0053

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

Flue Collar Gasket 22-2389
#22B

Replacement parts diagram

Flue collar gasket

Part #22-2389

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

Motor Pulley 20-1520
#49B

Replacement parts diagram

Motor pulley

Part #20-1520

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

Box - Flue Collector Assembly 975-0422
#13A

Replacement parts diagram

Box - flue collector assembly

Part #975-0422

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

Barometic Damper - 7 Inch Gate Steinen Model - 6-7-8 Inc 22-1205
#28B

Replacement parts diagram

Barometic damper - 7 inch gate steinen model - 6-7-8 inc

Part #22-1205

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

Truarc Ring 20-5049

#NI

All parts diagram

Truarc ring

Part #20-5049

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

Oil Burner Relay (m-h R8184b1188) 21-0833
#31

Replacement parts diagram

Oil burner relay (m-h r8184b1188)

Part #21-0833

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

Oil Burner - Wayne S/s - Plus Cell; Note 1 - For Complet 25-2302
#26B

Replacement parts diagram

Oil burner - wayne s/s - plus cell; note 1 - for complet

Part #25-2302

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

Symptoms for top-mount refrigerators

Why is there water in the bottom of the fridge under vegetable drawers?

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

Read more

Repair guides for top-mount refrigerators

How to replace the electronic control board inside a top-freezer refrigerator

How to replace the electronic control board inside a top-freezer refrigerator

The electronic control board is the "brains" of the refrigerator. Replace the electronic control board if it fails.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator temperature control thermostat

How to replace a refrigerator temperature control thermostat

This helpful refrigerator repair guide explains how to replace the temperature control thermostat in a refrigerator.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the condenser fan motor in a top-freezer refrigerator

How to replace the condenser fan motor in a top-freezer refrigerator

The condenser fan is in the machine compartment of the refrigerator next to the compressor. It moves air across the cond…

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your furnaces

View all
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.…

Read more
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.…

Read more
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.…

Read more

Parts & More