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Carrier
Central Air Conditioner

Model # 38YSA042 SERIES300 Official Carrier heat pump

Here are the diagrams and repair parts for Official Carrier 38YSA042-SERIES300 heat pump, as well as links to manuals and error code tables, if available.

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Installation guide
Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 58 parts  |
Contactor HN51KC024
#31

Control box diagram

Contactor

Part #HN51KC024

Replaced by #90-244

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Manufacturer substitution
This part replaces HN51KC024. Substitute parts can look different from the original.
BEST SELLER
$26.61 | 
18% OFF Phone Price : $32.61
In Stock
Dfrost Cntrl CESO110063-02
#36

Control box diagram

Dfrost cntrl

Part #CESO110063-02

$187.57 | 
6% OFF Phone Price : $199.57
In Stock
Payne Thermostat HH18HA280
#49

Inside view diagram

Payne thermostat

Part #HH18HA280

$40.51
In Stock
Central Air Conditioner Condenser Fan Motor (replaces Hc376e210a) HC37GE210
#50

Control box diagram

Central air conditioner condenser fan motor (replaces hc376e210a)

Part #HC37GE210

$557.77
In Stock
Grommet P041-5103
#22

Inside view diagram

Grommet

Part #P041-5103

$12.60
In Stock
Lug HY90AZ009
#38

Control box diagram

Lug

Part #HY90AZ009

$8.23
In Stock
Strainer KH11NH069
#78

Inside view diagram

Strainer

Part #KH11NH069

$11.97
In Stock
Paint 313974-751
#NI

Top view diagram

Paint

Part #313974-751

$60.89
In Stock
Payne Harness 317497-701
#42

Control box diagram

Payne harness

Part #317497-701

$52.62
In Stock
Trim 320245-401
#10

Control box diagram

Trim

Part #320245-401

$109.64
In Stock

Repair guides for side-by-side refrigerators

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How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

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Repair difficulty
Time required
 30 minutes or less
How to replace a press-in door gasket in a side-by-side refrigerator

How to replace a press-in door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

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Repair difficulty
Time required
 15 minutes or less
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How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

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Repair difficulty
Time required
 15 minutes or less

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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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