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Carrier
Heating & Cooling Combined Unit

Model # 48XTN042090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48XTN042090300 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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ALL PARTS
Showing 10 of 146 parts  |
Switch,prs HK06WC061
#68

Control box/control panel assy diagram

Switch,prs

Part #HK06WC061

$62.29
In Stock
Pcb Assembly HK38EA008
Pcb assembly

Part #HK38EA008

Replaced by #HK38EA023

?
Manufacturer substitution
This part replaces HK38EA008. Substitute parts can look different from the original.
$971.19
| 
$12.00 OFF Phone Price : $983.19
In Stock
Grille 50SZ500126
#31

Front view/rear view diagram

Grille

Part #50SZ500126

$452.53
In Stock
Top, Evap 48GS400244
#13

Outdoor motor/fan blade gap diagram

Top, evap

Part #48GS400244

$427.15
In Stock
Sensor 48GS400192
#128

Burner assy diagram

Sensor

Part #48GS400192

$26.54
In Stock
Support 48GS500243
#41

Inside view diagram

Support

Part #48GS500243

$47.16
In Stock
Bracket 48GS500186
#131

Burner assy diagram

Bracket

Part #48GS500186

$24.46
In Stock
Bolt AA06BS228
#84

Blower assy diagram

Bolt

Part #AA06BS228

This item is not returnable
$3.83
In Stock
Carrier Coil.cond Al/cu 50DT400072
#100

Front view/rear view diagram

Carrier coil.cond al/cu

Part #50DT400072

$1600.60
In Stock
Oct Sensor HH79NZ088
#56A

Control box/control panel assy diagram

Oct sensor

Part #HH79NZ088

$133.82
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

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