Carrier
Heating & Cooling Combined Unit

Model # 48CEN030040300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48CEN030040300 package unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 112 parts  |

Pcb Assembly HK42FZ021
#NI

Cabinet parts diagram

Pcb assembly

Part #HK42FZ021

Replaced by #HK42FZ035

?
Manufacturer substitution
This part replaces HK42FZ021. Substitute parts can look different from the original.
$809.30
$10.00 OFF Phone Price : $819.30
In Stock
Motor HD44RE120
#NI

Cabinet parts diagram

Motor

Part #HD44RE120

Replaced by #58MV660002

?
Manufacturer substitution
This part replaces HD44RE120. Substitute parts can look different from the original.
In Stock
Furnace Blower Fan Motor Mounting Bracket P251-0077
#NI

Cabinet parts diagram

Furnace blower fan motor mounting bracket

Part #P251-0077

This item is not returnable
In Stock
Switch,hps HK02ZA408
#NI

Cabinet parts diagram

Switch,hps

Part #HK02ZA408

In Stock
Grommet KA56TR057
#NI

Cabinet parts diagram

Grommet

Part #KA56TR057

This item is not returnable
In Stock
Insulation 48GS500046
#23

Cabinet parts diagram

Insulation

Part #48GS500046

In Stock
Grommet KA56GR140
#NI

Cabinet parts diagram

Grommet

Part #KA56GR140

This item is not returnable
In Stock
Plug Assembly HY07MP261
#NI

Cabinet parts diagram

Plug assembly

Part #HY07MP261

In Stock
Central Air Conditioner Condenser Fan Motor HC35GE235
#91

Cabinet parts diagram

Central air conditioner condenser fan motor

Part #HC35GE235

In Stock
Scroll 48GS500109
#NI

Cabinet parts diagram

Scroll

Part #48GS500109

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.…

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…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…