Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Nordyne
Central Air Conditioner

Model # 042Q3RC Official Nordyne heat pump

Here are the diagrams and repair parts for Official Nordyne 042Q3RC heat pump, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 54 parts  |
Fan Motor 621721
#2

Heat pump diagram

Fan motor

Part #621721

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

Thermostat 626488
#47

Heat pump diagram

Thermostat

Part #626488

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

Evaporator Motor 621939
#25

Heat pump diagram

Evaporator motor

Part #621939

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

Drain Pan 669187
#15

Heat pump diagram

Drain pan

Part #669187

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

Thermostat 626520
#42A

Heat pump diagram

Thermostat

Part #626520

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

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

Contactor 621661
#38

Heat pump diagram

Contactor

Part #621661

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

Repair guides for rear-engine riding mowers

How to adjust the neutral control on a zero-turn riding mower

How to adjust the neutral control on a zero-turn riding mower

Adjust the neutral control if your zero-turn riding mower creeps forward or backward while both steering lap bars are in…

Read more
Repair difficulty
Time required
 45 minutes or less
How to remove the mower deck on a zero-turn riding mower

How to remove the mower deck on a zero-turn riding mower

Follow the steps in this guide to remove the mower deck for cleaning or inspection.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a cutting blade on a zero-turn riding mower

How to replace a cutting blade on a zero-turn riding mower

Replace a bent or dull cutting blade in 30 minutes or less. …

Read more
Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your central air conditioners

View all
Maintaining your air conditioner

Maintaining your air conditioner

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

Read more
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…

Read more
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.…

Read more

Parts & More