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Carrier
Central Air Conditioner

Model # 38HDF018300 Official Carrier heat pump

Here are the diagrams and repair parts for Official Carrier 38HDF018300 heat pump, as well as links to manuals and error code tables, if available.

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Installation guide

Model diagram and schematic

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ALL PARTS
Showing 10 of 48 parts  |
Contactor HN51KB024
#35

Control assy diagram

Contactor

Part #HN51KB024

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

Central Air Conditioner Air Handler Transformer (replaces Ht01bd208) HT01CN241
#36

Control assy diagram

Central air conditioner air handler transformer (replaces ht01bd208)

Part #HT01CN241

$104.52
In Stock
Plug Assembly 324091-406
#32

Control assy diagram

Plug assembly

Part #324091-406

Replaced by #P298-001

?
Manufacturer substitution
This part replaces 324091-406. Substitute parts can look different from the original.
$45.89
In Stock
Piston EA52PJ049
#82

Control assy diagram

Piston

Part #EA52PJ049

$20.23
In Stock
Mount-motor 38QR400146
#51

Outside cabinet parts diagram

Mount-motor

Part #38QR400146

$218.44
In Stock
Grille, In 38QR501037
#8

Outside cabinet parts diagram

Grille, in

Part #38QR501037

$335.48
In Stock
Out Grille 38QR500707
#64

Inside cabinet parts diagram

Out grille

Part #38QR500707

$381.92
In Stock
Propeller LA01LA042
#54

Outside cabinet parts diagram

Propeller

Part #LA01LA042

$187.70
In Stock
Grommet P041-5103
#21

Outside cabinet parts diagram

Grommet

Part #P041-5103

$12.60
In Stock
Switch HK02ZB062
#69

Inside cabinet parts diagram

Switch

Part #HK02ZB062

$76.78
In Stock

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

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Why is my gas grill not hot enough?

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

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Why don't the burners on my gas grill get gas?

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

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Do I have to replace a broken wheel on a gas grill?

Main cause: worn wheel…

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What should I do about grease flare-ups in my gas grill?

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

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Why won't some burners light on my gas grill?

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

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Repair guides for gas grills

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

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How to replace a gas grill wheel

How to replace a gas grill wheel

Replace a broken or damaged wheel in less than 15 minutes.…

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Time required
 15 minutes or less
How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

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Repair difficulty
Time required
 15 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 gas grill.

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Maintaining your air conditioner

Maintaining your air conditioner

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

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

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