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Carrier
Heating & Cooling Combined Unit

Model # 48XLN042090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48XLN042090300 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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Showing 10 of 147 parts  |
Contactor HN51KB024
#63

Control box/control panel assy diagram

Contactor

Part #HN51KB024

Replaced by #90-244

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Manufacturer substitution
This part replaces HN51KB024. Substitute parts can look different from the original.
BEST SELLER
$26.61 | 
18% OFF Phone Price : $32.61
In Stock
Control Board HK42FZ024
#65

Inside view diagram

Control board

Part #HK42FZ024

Replaced by #HK42FZ035

?
Manufacturer substitution
This part replaces HK42FZ024. Substitute parts can look different from the original.
$809.30 | 
$12.00 OFF Phone Price : $821.30
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
Strap Cap P281-0028
#93

Inside view diagram

Strap cap

Part #P281-0028

$18.83
In Stock
Plug,model HK70EZ049
#118

Control box/control panel assy diagram

Plug,model

Part #HK70EZ049

$25.06
In Stock
Insulation 48SS500601
#140A

Inside view diagram

Insulation

Part #48SS500601

$39.82
In Stock
Bracket 48GS500186
#131

Burner assy diagram

Bracket

Part #48GS500186

$24.46
In Stock
Spud LH32RF086
#138

Burner assy diagram

Spud

Part #LH32RF086

$18.54
In Stock
Switch,tem HH18HA545
#123

Gas section diagram

Switch,tem

Part #HH18HA545

$44.98
In Stock
Transformer HT01BD209
#64

Control box/control panel assy diagram

Transformer

Part #HT01BD209

$74.42
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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Effective articles & videos to help repair your heating & cooling combined units

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