Central Air Conditioner

Model # 042Q3RA Official Nordyne heat pump

Here are the diagrams and repair parts for Official Nordyne 042Q3RA heat pump, as well as links to manuals and error code tables, if available.

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Browse Parts for
042Q3RA Heat Pump
Drain Pan 669187
#15

Heat pump diagram

Drain pan

Part #669187

The manufacturer no longer makes this part, and there's no substitute part

Distributor 663581
#22

Heat pump diagram

Distributor

Part #663581

The manufacturer no longer makes this part, and there's no substitute part

Fan Motor 621721
#2

Heat pump diagram

Fan motor

Part #621721

The manufacturer no longer makes this part, and there's no substitute part

Air Conditioner Blower Relay 621869
#36A

Heat pump diagram

Air conditioner blower relay

Part #621869

The manufacturer no longer makes this part, and there's no substitute part

Air Conditioner Blower Relay 621931
#36

Heat pump diagram

Air conditioner blower relay

Part #621931

The manufacturer no longer makes this part, and there's no substitute part

Evaporator Motor 621939
#25

Heat pump diagram

Evaporator motor

Part #621939

The manufacturer no longer makes this part, and there's no substitute part

Compressor 912958
#10

Heat pump diagram

Compressor

Part #912958

The manufacturer no longer makes this part, and there's no substitute part

Thermostat 626488
#46

Heat pump diagram

Thermostat

Part #626488

The manufacturer no longer makes this part, and there's no substitute part

Thermostat 626520
#42A

Heat pump diagram

Thermostat

Part #626520

The manufacturer no longer makes this part, and there's no substitute part

Blower Wheel 667037
#26

Heat pump diagram

Blower wheel

Part #667037

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas snowblowers

Choose a symptom to see related snowblower repairs.

Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

Main causes: clogged chute, damaged auger blades, broken shear pins, worn auger belt, damaged gear case, engine problems…

Things to do: replace the spark plug, change the oil, rebuild the carburetor, adjust valve lash, adjust or replace the b…

Main causes: snow build-up in chute, chute drive mechanism failure, bad chute control assembly…

Main causes: stale gas, clogged carburetor, clogged or broken fuel line, dirty spark plug, bad rewind starter, incorrect…

Main causes: dirty carburetor, stale fuel…

Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

Main causes: broken shear pins, worn or loose auger drive belt, auger drive cable failure, damaged auger, bad gear case…

Repair guides for gas snowblowers

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

How to adjust snowblower engine valve lash

How to adjust snowblower engine valve lash

Adjust the engine valve lash on your snowblower to keep the engine starting and running smoothly.…

Repair difficulty
Time required
 15 minutes or less
How to adjust snowblower skid shoes

How to adjust snowblower skid shoes

To prevent snowblower auger and shave plate damage, adjust the skid shoes regularly to keep the shave plate ¼-inch high.…

Repair difficulty
Time required
 15 minutes or less
How to replace a snowblower shave plate

How to replace a snowblower shave plate

Follow the 7 easy steps in this repair guide/video to replace a worn out shave plate on your snowblower.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

Use the advice and tips in these articles and videos to get the most out of your snowblower.

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 prevent the 2 most common AC failures from ruining your summer

How to prevent the 2 most common AC failures from ruining your summer

Get tips to help keep your central AC running all summer long…

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.…