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Amana
Furnace

Model # OH125UA Official Amana oil-fired horizontal furnace - oh

Here are the diagrams and repair parts for Official Amana OH125UA oil-fired horizontal furnace - oh, 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 98 parts  |
Blower Panel - 12-12 577-4861
#15D

Replacement parts diagram

Blower panel - 12-12

Part #577-4861

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

Oil Burner (wayne 2/s) 102-70
#21J

Replacement parts diagram

Oil burner (wayne 2/s)

Part #102-70

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

Oil Burner (wayne 2/s) 25-2308
#21G

Replacement parts diagram

Oil burner (wayne 2/s)

Part #25-2308

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

Blower Panel - 10-10 577-4860
#15C

Replacement parts diagram

Blower panel - 10-10

Part #577-4860

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

Furnace Blower Shaft 20-5021
#34A

Replacement parts diagram

Furnace blower shaft

Part #20-5021

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

Oil Burner (wayne S/s) 25-2309
#21B

Replacement parts diagram

Oil burner (wayne s/s)

Part #25-2309

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

Motor Pulley 20-1520
#44C

Replacement parts diagram

Motor pulley

Part #20-1520

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

Observation Cover Plate - 4 X 4" 975-2094
#13

Replacement parts diagram

Observation cover plate - 4 x 4"

Part #975-2094

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

Flue Collar Gasket 22-2320
#24

Replacement parts diagram

Flue collar gasket

Part #22-2320

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

Motor Bracket Support 20-5002
#39

Replacement parts diagram

Motor bracket support

Part #20-5002

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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

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Why does my treadmill's walking belt slow down?

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

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Why is my treadmill's walking belt slipping?

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

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Why is my treadmill's walking belt off center?

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

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Why won't my treadmill start even though the console display works?

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

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Why is my treadmill's heart rate sensor not accurate?

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

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Why does my treadmill have no display?

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

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Why won't my treadmill power up?

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

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Repair guides for treadmills

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

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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…

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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'…

Read more
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…

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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.

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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.…

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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.…

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Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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