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LG
Heating & Cooling Combined Unit

Model # LP120HED-Y8 Official LG package unit

Here are the diagrams and repair parts for Official LG LP120HED-Y8 package unit, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 55 parts  |
Room Air Conditioner Control Panel Overlay 3831A20145E
#8310

Exploded view part diagram

Room air conditioner control panel overlay

Part #3831A20145E

$27.47 | 
18% OFF Phone Price : $33.47
In Stock
Room Air Conditioner Evaporator Fan Blade 5901A20050A
#9011

Exploded view part diagram

Room air conditioner evaporator fan blade

Part #5901A20050A

$58.19 | 
9% OFF Phone Price : $64.19
In Stock
Thermistor A 6323A20006A
#230A

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Thermistor a

Part #6323A20006A

Replaced by #EBG61106833

?
Manufacturer substitution
This part replaces 6323A20006A. Substitute parts can look different from the original.
$14.51
In Stock
Room Air Conditioner Blower Wheel Bearing 4280A20004A
#2800

Exploded view part diagram

Room air conditioner blower wheel bearing

Part #4280A20004A

Replaced by #4280A20004M

?
Manufacturer substitution
This part replaces 4280A20004A. Substitute parts can look different from the original.
This item is not returnable
$5.58 | 
15% OFF Phone Price : $6.58
In Stock
Room Air Conditioner Front Grille Assembly 3531A10149D
#5312

Exploded view part diagram

Room air conditioner front grille assembly

Part #3531A10149D

Replaced by #3531A10149J

?
Manufacturer substitution
This part replaces 3531A10149D. Substitute parts can look different from the original.
$105.92
In Stock
Tube Evaporator 5210A26718B
#115B

Exploded view part diagram

Tube evaporator

Part #5210A26718B

$23.07
In Stock
Cover 3550A20514A
#500C

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Cover

Part #3550A20514A

This item is not returnable
$4.51
In Stock
Base Assembly AAN33345805
#1304

Exploded view part diagram

Base assembly

Part #AAN33345805

$103.00
In Stock
Reverse Valve 5220AR3228B
#2002

Exploded view part diagram

Reverse valve

Part #5220AR3228B

$64.67
In Stock
Room Air Conditioner Front Grille 3530A20040B
#5301

Exploded view part diagram

Room air conditioner front grille

Part #3530A20040B

$22.33
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 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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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

The flame sensor detects when furnace burner flames are lit. You may need to replace the flame sensor if flames only sta…

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Repair difficulty
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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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