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GE
Central Air Conditioner

Model # A2B378DAALR1 Official GE air conditioner

Here are the diagrams and repair parts for Official GE A2B378DAALR1 air conditioner, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 161 parts  |
Screw WZ5X153
#983

Cabinet diagram

Screw

Part #WZ5X153

This item is not returnable
$2.49
In Stock
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
Plate WP79X18
#560

Cabinet diagram

Plate

Part #WP79X18

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

Control Door WP71X04
#205

Cabinet diagram

Control door

Part #WP71X04

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

Heater Kit WP70X42
#75

Chassis diagram

Heater kit

Part #WP70X42

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

Covep Control WP79X04
#561

Cabinet diagram

Covep control

Part #WP79X04

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

Cover Terminal WP79X01
#407

Chassis diagram

Cover terminal

Part #WP79X01

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

Terminal Block WJ3X171
#54

Chassis diagram

Terminal block

Part #WJ3X171

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…

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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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