Nordyne
Central Air Conditioner

Model # MT3QA030A Official Nordyne heat pump

Here are the diagrams and repair parts for Official Nordyne MT3QA030A 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 33 parts  |

Air Conditioner Blower Motor 621918
#23

Heat pump diagram

Air conditioner blower motor

Part #621918

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

Guard Kit 917206
#NI

Heat pump diagram

Guard kit

Part #917206

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

Accumulatr 668793
#8

Heat pump diagram

Accumulatr

Part #668793

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

Thermostat 626520
#NI

Heat pump diagram

Thermostat

Part #626520

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

Top Pan 496161
#22

Heat pump diagram

Top pan

Part #496161

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

Central Air Conditioner Evaporator Fan Blade 667262
#24

Heat pump diagram

Central air conditioner evaporator fan blade

Part #667262

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

Fan Grille 669334
#25

Heat pump diagram

Fan grille

Part #669334

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

Def Sensor 626491
#NI

Heat pump diagram

Def sensor

Part #626491

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

Compressor 912957
#2

Heat pump diagram

Compressor

Part #912957

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

Valve 668766
#3

Heat pump diagram

Valve

Part #668766

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

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Repair guides for gas grills

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

How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill burner

How to replace a gas grill burner

Replace a damaged burner on your gas grill in less than 15 minutes and with just pliers and a screwdriver for tools.…

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 gas grill.

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.…