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Lennox
Central Air Conditioner

Model # HP18-28-10 Official Lennox condensing unit

Here are the diagrams and repair parts for Official Lennox HP18-28-10 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 46F4401
#55

Control panel diagram

Capacitor

Part #46F4401

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

Contactor 65C6901
#54A

Control panel diagram

Contactor

Part #65C6901

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

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

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

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

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

Defrost 65G9001
Defrost

Part #65G9001

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

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

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Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

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Repair difficulty
Time required
 30 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

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Repair difficulty
Time required
 60 minutes or less

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