Heating & Cooling Combined Unit

Model # LP120HED Official LG package unit

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

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Browse Parts for
LP120HED Package Unit
Room Air Conditioner Control Panel Overlay 3831A20145E
#8310

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Room air conditioner control panel overlay

Part #3831A20145E

$30.79
16% OFF Phone Price : $36.79
In Stock
Room Air Conditioner Thermostat Control Board 6871A00086A
#711D

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Room air conditioner thermostat control board

Part #6871A00086A

In Stock
Metal Mesh 3700A20009B
#7000

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Metal mesh

Part #3700A20009B

In Stock
Pan Asy,drai 3087A20033A
#3308

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Pan asy,drai

Part #3087A20033A

In Stock
Room Air Conditioner Top Cover 3551A20223A
#5515

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Room air conditioner top cover

Part #3551A20223A

In Stock
Cover 3550A30111A
#500B

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Cover

Part #3550A30111A

This item is not returnable
In Stock
Temperature Defrost Evaporator 5211A21791A
#2116

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Temperature defrost evaporator

Part #5211A21791A

In Stock
Valve 5220A30006A
#2206

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Valve

Part #5220A30006A

In Stock
Room Air Conditioner Control Panel 3720A20710A
#7200

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Room air conditioner control panel

Part #3720A20710A

$30.79
16% OFF Phone Price : $36.79
In Stock
Knob 4940A30037A
#9400

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Knob

Part #4940A30037A

This item is not returnable
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.

Thermostat problem, clogged air filter, burner failure…

Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

Most common repair guides to help fix your heating & cooling combined units

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

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…

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…

Repair difficulty
Time required
 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.…

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.

Maintaining your air conditioner

Maintaining your air conditioner

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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

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

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…