Amana
Furnace

Model # OH100 Official Amana oil-fired horizontal furnace - oh

Here are the diagrams and repair parts for Official Amana OH100 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  |

Flue Collar 975-2201
#18

Replacement parts diagram

Flue collar

Part #975-2201

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

Heating Exchanger Assembly 900-4002
#17A

Replacement parts diagram

Heating exchanger assembly

Part #900-4002

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

Plastic Washer 20-5015
#38

Replacement parts diagram

Plastic washer

Part #20-5015

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

Heat-cool Relay 22-9644
#50

Replacement parts diagram

Heat-cool relay

Part #22-9644

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

Cad Cell H-c554-1018; Note 2 - Current Model Is Supplied 21-0831
#23

Replacement parts diagram

Cad cell h-c554-1018; note 2 - current model is supplied

Part #21-0831

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

Corner Post 575-2080
#6A

Replacement parts diagram

Corner post

Part #575-2080

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

Adjustable Tail Piece Assembly 980-0040
#46

Replacement parts diagram

Adjustable tail piece assembly

Part #980-0040

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

Motor Mounting Support 980-1210
#41A

Replacement parts diagram

Motor mounting support

Part #980-1210

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

Furnace Blower Wheel 20-5034
#33B

Replacement parts diagram

Furnace blower wheel

Part #20-5034

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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 walk-behind lawn mower.

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.…