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Carrier
Heating & Cooling Combined Unit

Model # 48DU048090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48DU048090300 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 140 parts  |
Switch,prs HK06WC061
#68

Control box/control panel assy diagram

Switch,prs

Part #HK06WC061

$62.29
In Stock
Strap Cap 317739-303
#93

Inside view diagram

Strap cap

Part #317739-303

$9.20
In Stock
Payne Fitting 305843-201
#148

Inside view diagram

Payne fitting

Part #305843-201

$9.03
In Stock
Sensor 48GS400192
#128

Burner assy diagram

Sensor

Part #48GS400192

$26.54
In Stock
Top, Evap 48GS400244
#13

Outdoor motor/fan blade gap diagram

Top, evap

Part #48GS400244

$427.15
In Stock
Arm HC98ZZ250
#85

Blower assy diagram

Arm

Part #HC98ZZ250

This item is not returnable
$7.17
In Stock
Plate 50SS500879
#36

Gas section diagram

Plate

Part #50SS500879

$558.65
In Stock
Pre.switch HK02ZA407
#96

Evap coil diagram

Pre.switch

Part #HK02ZA407

$29.00
In Stock
Filter KH43LG073
#105

Evap coil diagram

Filter

Part #KH43LG073

$87.11
In Stock
157,flue Dischg Deflctor CRFLUEDS001A00
#NI

Front view/rear view diagram

157,flue dischg deflctor

Part #CRFLUEDS001A00

$348.65
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

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 enjoy all the online benefits we offer on our Sears PartsDirect website

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