Carrier
Heating & Cooling Combined Unit

Model # 50SX042300 Official Carrier central package

Here are the diagrams and repair parts for Official Carrier 50SX042300 central package, 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 97 parts  |

Contactor HN51KC024
#38

Control box/indoor blower/piping diagram

Contactor

Part #HN51KC024

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

Relay HN67ZZ001
#39A

Control box/indoor blower/piping diagram

Relay

Part #HN67ZZ001

In Stock
Tempswitch HH19ZA221
Tempswitch

Part #HH19ZA221

In Stock
Capacitor P291-6053
#33

Control box/indoor blower/piping diagram

Capacitor

Part #P291-6053

In Stock
Fan Prpop LA01AB202
#60

Duct side view/top view diagram

Fan prpop

Part #LA01AB202

In Stock
Grommet P041-5103
#33

Control box/indoor blower/piping diagram

Grommet

Part #P041-5103

In Stock
Motor HC43AE200
#45

Control box/indoor blower/piping diagram

Motor

Part #HC43AE200

In Stock
Valve EC39DM061
#63

Control box/indoor blower/piping diagram

Valve

Part #EC39DM061

This item is not returnable
In Stock
Tempswitch HH18HH130
Tempswitch

Part #HH18HH130

In Stock
Tempswitch HH19ZA171
#135

Heater assy/wiring box assy diagram

Tempswitch

Part #HH19ZA171

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.

Thermostat problem, clogged air filter, burner failure…

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

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

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

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

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

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.

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…

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…

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.…

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.

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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Top questions about Sears and Sears PartsDirect

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