Carrier
Central Air Conditioner

Model # 38QRR018300 Official Carrier heat pump

Here are the diagrams and repair parts for Official Carrier 38QRR018300 heat pump, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 55 parts  |

Contactor HN51KB024
#41

Control assy diagram

Contactor

Part #HN51KB024

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

Central Air Conditioner Filter Dryer KH43LG072
#84

Control assy diagram

Central air conditioner filter dryer

Part #KH43LG072

In Stock
Plug Assembly 324091-406
#32

Control assy diagram

Plug assembly

Part #324091-406

Replaced by #P298-001

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Manufacturer substitution
This part replaces 324091-406. Substitute parts can look different from the original.
In Stock
Switch HK02ZA404
#71

Inside cabinet parts diagram

Switch

Part #HK02ZA404

In Stock
Propeller LA01LA042
#54

Outside cabinet parts diagram

Propeller

Part #LA01LA042

In Stock
Harness,wi 38QR401031
#36

Control assy diagram

Harness,wi

Part #38QR401031

In Stock
Cap EA52PL001
#83

Control assy diagram

Cap

Part #EA52PL001

In Stock
Valve EF17BZ113
#74

Inside cabinet parts diagram

Valve

Part #EF17BZ113

In Stock
Muffler LM10KH017
#72

Inside cabinet parts diagram

Muffler

Part #LM10KH017

In Stock
Harness,wi 38QR401029
#34

Control assy diagram

Harness,wi

Part #38QR401029

In Stock

Symptoms for upright freezers

Main causes: clogged or frozen defrost drain tube…

Repair guides for upright freezers

How to replace a freezer control panel

How to replace a freezer control panel

A freezer control panel that doesn’t show the temperature or respond when you press the buttons could be broken. This DI…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer door switch

How to replace a freezer door switch

When the door switch fails, the freezer can’t detect that the door is closed. Follow the steps in this repair guide to r…

Repair difficulty
Time required
 15 minutes or less
How to replace a freezer thermistor

How to replace a freezer thermistor

When the thermistor can’t sense the freezer temperature, the freezer is colder or warmer than the set temperature. Follo…

Repair difficulty
Time required
 45 minutes or less

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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.…

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

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