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Carrier
Heating & Cooling Combined Unit

Model # 50ZP042300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 50ZP042300 package unit, 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 48 parts  |
Contactor HN51KB024
#39

Control box/base pan assy diagram

Contactor

Part #HN51KB024

Replaced by #90-244

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Manufacturer substitution
This part replaces HN51KB024. Substitute parts can look different from the original.
BEST SELLER
$26.61 | 
18% OFF Phone Price : $32.61
In Stock
Relay HN61DC024
Relay

Part #HN61DC024

$237.64 | 
5% OFF Phone Price : $249.64
In Stock
Orifice 50ZP500026
#22

Indoor fan assy diagram

Orifice

Part #50ZP500026

$87.78
In Stock
Furnace Blower Fan Motor HC43CE200
#24

Indoor fan assy diagram

Furnace blower fan motor

Part #HC43CE200

$541.89 | 
$12.00 OFF Phone Price : $553.89
In Stock
Mount 50ZP400040
#19

Indoor fan assy diagram

Mount

Part #50ZP400040

$46.13
In Stock
Carrier Parition 50ZP400057
#11

Inside view diagram

Carrier parition

Part #50ZP400057

$361.69
In Stock
Paint 313974-751
#NI

Outside view diagram

Paint

Part #313974-751

$60.89
In Stock
Sideplate 50ZP500025
#21

Indoor fan assy diagram

Sideplate

Part #50ZP500025

$60.38
In Stock
Fan Blade LA01RA033
#31

Condenser diagram

Fan blade

Part #LA01RA033

$343.68
In Stock
Grommet P041-5102
Grommet

Part #P041-5102

This item is not returnable
$4.66
In Stock

Most common symptoms to help you fix your heating & cooling combined units

Choose a symptom to see related heating and air conditioning system repairs.

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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Why isn’t my air conditioner cooling well?

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

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Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

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Why won't my air conditioner turn on?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

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Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

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Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

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Most common repair guides to help fix your heating & cooling combined units

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

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How to unclog the air conditioner drain line

How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

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Repair difficulty
Time required
 15 minutes or less
How to replace the furnace flame sensor

How to replace the furnace flame sensor

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

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Repair difficulty
Time required
 15 minutes or less
How to replace a heating and air conditioning system thermostat

How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

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Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

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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

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

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Top questions about Sears and Sears PartsDirect

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