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Carrier
Heating & Cooling Combined Unit

Model # 48DT048090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48DT048090300 package unit, as well as links to manuals and error code tables, if available.

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 133 parts  |
Strap Cap 317739-303
#NI

Cabinet parts diagram

Strap cap

Part #317739-303

$9.20
In Stock
Switch,prs HK06WC061
#NI

Cabinet parts diagram

Switch,prs

Part #HK06WC061

$62.29
In Stock
Pcb Assembly HK38EA008
#NI

Cabinet parts diagram

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

Cabinet parts diagram

Grille

Part #50SZ500126

$452.53
In Stock
Top, Evap 48GS400244
#NI

Cabinet parts diagram

Top, evap

Part #48GS400244

$427.15
In Stock
Sensor 48GS400192
#NI

Cabinet parts diagram

Sensor

Part #48GS400192

$26.54
In Stock
Support 48GS500243
#NI

Cabinet parts diagram

Support

Part #48GS500243

$47.16
In Stock
Bracket 48GS500186
#NI

Cabinet parts diagram

Bracket

Part #48GS500186

$24.46
In Stock
Bolt AA06BS228
#NI

Cabinet parts diagram

Bolt

Part #AA06BS228

This item is not returnable
$3.83
In Stock
Oct Sensor HH79NZ088
#NI

Cabinet parts 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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How to replace a heating and air conditioning system thermostat

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Effective articles & videos to help repair your heating & cooling combined units

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