Lennox
Central Air Conditioner

Model # HP18-260-3 Official Lennox condensing unit

Here are the diagrams and repair parts for Official Lennox HP18-260-3 condensing unit, 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 70 parts  |

Capacitor P-8-3576
#53A

Control panel diagram

Capacitor

Part #P-8-3576

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

Fan Motor 47F9901
#40

Cabinet/cooling-heating parts diagram

Fan motor

Part #47F9901

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

Condenser Fan Motor 50F1101
#40A

Cabinet/cooling-heating parts diagram

Condenser fan motor

Part #50F1101

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

Defrost 65G9001
Defrost

Part #65G9001

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

Relay P-8-3577
#52A

Control panel diagram

Relay

Part #P-8-3577

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

Rev Valve 31C0701
#15

Cabinet/cooling-heating parts diagram

Rev valve

Part #31C0701

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

Contactor P-8-7736
#54B

Control panel diagram

Contactor

Part #P-8-7736

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

Fan Blade 95C5901
#42

Cabinet/cooling-heating parts diagram

Fan blade

Part #95C5901

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

Capacitor 46F4401
#55

Control panel diagram

Capacitor

Part #46F4401

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

Coil-solen P-8-6659
#15B

Cabinet/cooling-heating parts diagram

Coil-solen

Part #P-8-6659

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 central air conditioners

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

How to prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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Top questions about Sears and Sears PartsDirect

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