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Nordyne
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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Model diagram and schematic

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ALL PARTS
Showing 10 of 54 parts  |
Capacitor 621435
#39

Heat pump diagram

Capacitor

Part #621435

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

Fan Motor 621721
#2

Heat pump diagram

Fan motor

Part #621721

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

Restrictor 664077
#19

Heat pump diagram

Restrictor

Part #664077

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

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

Thermostat 626488
#46

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

Compressor 912958
#10

Heat pump diagram

Compressor

Part #912958

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

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Repair guides for top-mount refrigerators

How to replace a door gasket in a top-freezer refrigerator

How to replace a door gasket in a top-freezer refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. It’s easy to replace a worn …

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Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

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Repair difficulty
Time required
 15 minutes or less
How to replace the defrost heater in a top-freezer refrigerator

How to replace the defrost heater in a top-freezer refrigerator

The refrigerator defrost heater melts frost from the freezer’s evaporator fins. Replace the defrost heater if it doesn't…

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Repair difficulty
Time required
 30 minutes or less

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