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Carrier
Heating & Cooling Combined Unit

Model # 48XZN042090300 Official Carrier central package

Here are the diagrams and repair parts for Official Carrier 48XZN042090300 central package, 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 22 parts  |
Arm HC98ZZ250
#85

Blower assy diagram

Arm

Part #HC98ZZ250

This item is not returnable
$7.17
In Stock
Cushion 312251-201
#115

Reversing valve diagram

Cushion

Part #312251-201

This item is not returnable
$4.69
In Stock
Panel 48GS500235
#20

Front view/louver option/rear view diagram

Panel

Part #48GS500235

$293.29
In Stock
Furnace Heat Exchanger Cover 48GS400108
#120

Gas section diagram

Furnace heat exchanger cover

Part #48GS400108

$325.53 | 
$12.00 OFF Phone Price : $337.53
In Stock
Igniter 48GS400168
#127

Burner assy diagram

Igniter

Part #48GS400168

$42.13
In Stock
Plate 50SS500879
#36

Gas section diagram

Plate

Part #50SS500879

$558.65
In Stock
Switch HK02ZB062
#95

Reversing valve diagram

Switch

Part #HK02ZB062

$76.78
In Stock
Payne Panel 48GS400499
#3

Front view/louver option/rear view diagram

Payne panel

Part #48GS400499

$879.18
In Stock
Grommet KA56TR056
#88

Blower assy diagram

Grommet

Part #KA56TR056

$25.31
In Stock
Payne Panel 50JS400290
#5

Front view/louver option/rear view diagram

Payne panel

Part #50JS400290

$202.24
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 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

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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

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 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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