Heating & Cooling Combined Unit

Model # 48SD042090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48SD042090300 package unit, as well as links to manuals and error code tables, if available.

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Browse Parts for
48SD042090300 Package Unit
Circ Board LH33WP003
#NI

Front view/rear view diagram

Circ board

Part #LH33WP003

$495.60
$12.00 OFF Phone Price : $507.60
In Stock
Fan Plate 48GS500240
#NI

Front view/rear view diagram

Fan plate

Part #48GS500240

In Stock
Hood Cap 48GS500121
#35

Front view/rear view diagram

Hood cap

Part #48GS500121

In Stock
Motor HC35GE238
#94

Front view/rear view diagram

Motor

Part #HC35GE238

In Stock
Grille 50SZ400156
#4

Front view/rear view diagram

Grille

Part #50SZ400156

In Stock
Furnace Blower Fan Motor HC43AE233
#NI

Front view/rear view diagram

Furnace blower fan motor

Part #HC43AE233

$585.07
$12.00 OFF Phone Price : $597.07
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
Wire,ignit 50HJ403024
#NI

Front view/rear view diagram

Wire,ignit

Part #50HJ403024

In Stock
Insulation 48SS500601
#NI

Front view/rear view diagram

Insulation

Part #48SS500601

In Stock
Plate 50SS500879
#NI

Front view/rear view diagram

Plate

Part #50SS500879

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 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.…

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.…