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GE
Central Air Conditioner

Model # A2B578ESCNQA Official GE air conditioner

Here are the diagrams and repair parts for Official GE A2B578ESCNQA air conditioner, as well as links to manuals and error code tables, if available.

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  • 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”.

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

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 142 parts  |
Screw WZ4X288
#959

Cabinet diagram

Screw

Part #WZ4X288

This item is not returnable
$3.49
In Stock
Screw WZ4X362

#NI

All parts diagram

Screw

Part #WZ4X362

This item is not returnable
$4.99
In Stock
Clip WJ3X87

#NI

All parts diagram

Clip

Part #WJ3X87

This item is not returnable
$2.16
In Stock
Use & Care Z 49-7070

#NI

All parts diagram

Use & care z

Part #49-7070

Replaced by #49-7144-1

?
Manufacturer substitution
This part replaces 49-7070. Substitute parts can look different from the original.
$8.49
In Stock
Bracket Compressor Mount WP66X01
#421

Chassis diagram

Bracket compressor mount

Part #WP66X01

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

Washer WJ1X521

#NI

All parts diagram

Washer

Part #WJ1X521

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

Unknown WJ2X411

#NI

All parts diagram

Unknown

Part #WJ2X411

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

Indoor Scroll Assembly WP76X01
#186

Chassis diagram

Indoor scroll assembly

Part #WP76X01

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

Left Front Side Panel WP81X04
#625

Chassis diagram

Left front side panel

Part #WP81X04

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

Sciew 10-32 X 1/2" Hex WZ5X242

#NI

All parts diagram

Sciew 10-32 x 1/2" hex

Part #WZ5X242

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

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

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Why does my water softener overflow?

Main causes: faulty brine valve assembly, bad rotor valve…

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Why is my softened water salty?

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

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Why isn't my water softener using salt?

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

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Why does my water softener leak water?

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

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Why is there no display on my water softener?

Main causes: lack of electrical power, bad power transformer, faulty timer…

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Why isn't my water softener softening my water?

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

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Why are water softener resin beads in my water?

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

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Why isn't my water softener meter working?

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

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Repair guides for water softeners

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

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How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…

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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 water softener.

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Maintaining your air conditioner

Maintaining your air conditioner

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

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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…

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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.…

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