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 # OC-125 Official Amana oil-fired counterflow furnace

Here are the diagrams and repair parts for Official Amana OC-125 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.

Error Codes

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  |
Air Filter (d = Disposable) 15 X 20 X 1 22-1121

#NI

All parts diagram

Air filter (d = disposable) 15 x 20 x 1

Part #22-1121

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

Panel - Rear Assembly 305-7000
#4B

Replacement parts diagram

Panel - rear assembly

Part #305-7000

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

Air Filter (hv = Hi Velocity) 15 X 20 X 1 22-1122

#NI

All parts diagram

Air filter (hv = hi velocity) 15 x 20 x 1

Part #22-1122

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

Filter Rail - Center 305-6141

#NI

All parts diagram

Filter rail - center

Part #305-6141

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

Blower Assembly (complete W/ Motor) 9-9d 980-0129

#NI

All parts diagram

Blower assembly (complete w/ motor) 9-9d

Part #980-0129

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

Panel - Vestibule Assembly 305-5000
#6B

Replacement parts diagram

Panel - vestibule assembly

Part #305-5000

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

Blower Pulley 6 X 3/4 20-1542
#50B

Replacement parts diagram

Blower pulley 6 x 3/4

Part #20-1542

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

Blower Motor, 1/6 319p456 20-9117
#48C

Replacement parts diagram

Blower motor, 1/6 319p456

Part #20-9117

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

Control - Transformer M-h At87a1015 21-0100

#NI

All parts diagram

Control - transformer m-h at87a1015

Part #21-0100

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

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

View all

Why does my water softener overflow?

Main causes: faulty brine valve assembly, bad rotor valve…

Read more

Why is my softened water salty?

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

Read more

Why isn't my water softener using salt?

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

Read more

Why does my water softener leak water?

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

Read more

Why is there no display on my water softener?

Main causes: lack of electrical power, bad power transformer, faulty timer…

Read more

Why isn't my water softener softening my water?

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

Read more

Why are water softener resin beads in my water?

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

Read more

Why isn't my water softener meter working?

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

Read more

Repair guides for water softeners

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

View all
How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…

Read more
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 water softener.

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