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Carrier
Heating & Cooling Combined Unit

Model # 48XZ042090300 Official Carrier central package

Here are the diagrams and repair parts for Official Carrier 48XZ042090300 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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Showing 10 of 85 parts  |
Blower Assembly 48GS400106
#146

Gas section diagram

Blower assembly

Part #48GS400106

Replaced by #48GS400649

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Manufacturer substitution
This part replaces 48GS400106. Substitute parts can look different from the original.
$708.46 | 
$12.00 OFF Phone Price : $720.46
In Stock
Bracket 48GS500461
#8

Outdoor motor/fan blade gap diagram

Bracket

Part #48GS500461

$22.69
In Stock
Panel 50JS500022
#9

Front view/louver option/rear view diagram

Panel

Part #50JS500022

$220.22
In Stock
Accumulatr KH71KN164
#114

Reversing valve diagram

Accumulatr

Part #KH71KN164

$194.51
In Stock
Panel 48GS500235
#20

Front view/louver option/rear view diagram

Panel

Part #48GS500235

$293.29
In Stock
Furnace Burner 50DK407029
#133

Burner assy diagram

Furnace burner

Part #50DK407029

$40.33
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
Switch HK02ZA404
#96

Reversing valve diagram

Switch

Part #HK02ZA404

$92.49
In Stock
Temp Swtch HH18HA211
#137

Burner assy diagram

Temp swtch

Part #HH18HA211

$25.71
In Stock
Panel 48GS500369
#7

Front view/louver option/rear view diagram

Panel

Part #48GS500369

$109.08
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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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 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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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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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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How to replace the furnace flame sensor

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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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 30 minutes or less

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Maintaining your air conditioner

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