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Carrier
Heating & Cooling Combined Unit

Model # 48SD042060300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48SD042060300 package unit, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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ALL PARTS
Showing 10 of 100 parts  |
Contactor HN51KB024
#NI

Front view/rear view diagram

Contactor

Part #HN51KB024

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

Circ Board LH33WP003
#NI

Front view/rear view diagram

Circ board

Part #LH33WP003

$495.60
| 
$12.00 OFF Phone Price : $507.60
In Stock
Furnace Inducer Vent Motor Assembly 48GS400649
#NI

Front view/rear view diagram

Furnace inducer vent motor assembly

Part #48GS400649

$708.46
| 
$12.00 OFF Phone Price : $720.46
In Stock
Furnace Heat Exchanger Cover 48GS400108
#NI

Front view/rear view diagram

Furnace heat exchanger cover

Part #48GS400108

$325.53
| 
$12.00 OFF Phone Price : $337.53
In Stock
Temp Swtch HH18HA211
#NI

Front view/rear view diagram

Temp swtch

Part #HH18HA211

$25.71
In Stock
Plate 50SS500879
#NI

Front view/rear view diagram

Plate

Part #50SS500879

$558.65
In Stock
Payne Grille Assembly 50JS400053
#4

Front view/rear view diagram

Payne grille assembly

Part #50JS400053

$107.91
In Stock
Core,valve EC39EZ067
#NI

Front view/rear view diagram

Core,valve

Part #EC39EZ067

$22.03
In Stock
Switch HH18HA460
#NI

Front view/rear view diagram

Switch

Part #HH18HA460

$77.49
In Stock
Sensor 48GS400192
#NI

Front view/rear view diagram

Sensor

Part #48GS400192

$26.54
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...

Read more

Why isn’t my air conditioner cooling?

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

Read more

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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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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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.

View all
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...

Read more
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...

Read more
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....

Read more
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 enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

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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....

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