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
Goodman
Air Handler

Model # A18-05 Official Goodman air handler with coil

Here are the diagrams and repair parts for Official Goodman A18-05 air handler with coil, 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.

Error Codes

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 43 parts  |
Air Handler Transformer B1141643
#111

Air handler with coil diagram

Air handler transformer

Part #B1141643

Replaced by #0130M00138S

?
Manufacturer substitution
This part replaces B1141643. Substitute parts can look different from the original.
This item is not returnable
$50.26 | 
9% OFF Phone Price : $55.26
In Stock
Central Air Conditioner Air Handler Heater B1037487S
#71D

Air handler with coil diagram

Central air conditioner air handler heater

Part #B1037487S

$123.72 | 
7% OFF Phone Price : $133.72
In Stock
Central Air Conditioner Air Handler Blower Motor B13400312S
#131

Air handler with coil diagram

Central air conditioner air handler blower motor

Part #B13400312S

$387.08
In Stock
Circuit Breaker Plate(m2-a18-05c;m6-a24-05c;m8-a24-08c;m10-a24-10c;m13-a30-08c;m15-a30-10c;m16-a30-15;m19-a32-05c;m21-a-32-08c;m23-a32-15) 1495206
#231

Air handler with coil diagram

Circuit breaker plate(m2-a18-05c;m6-a24-05c;m8-a24-08c;m10-a24-10c;m13-a30-08c;m15-a30-10c;m16-a30-15;m19-a32-05c;m21-a-32-08c;m23-a32-15)

Part #1495206

$13.40
In Stock
Central Air Conditioner Evaporator Coil Drip Pan B1755929L
#211

Air handler with coil diagram

Central air conditioner evaporator coil drip pan

Part #B1755929L

$80.11 | 
6% OFF Phone Price : $85.11
In Stock
Lower Panel 1722055P
#51

Air handler with coil diagram

Lower panel

Part #1722055P

$48.24
In Stock
Furnace Heating Element Assembly (replaces B10374-85) B1037485S
#71C

Air handler with coil diagram

Furnace heating element assembly (replaces b10374-85)

Part #B1037485S

$80.25 | 
6% OFF Phone Price : $85.25
In Stock
Goodman Heat Element (single Pack) B1037480S
#71B

Air handler with coil diagram

Goodman heat element (single pack)

Part #B1037480S

$109.67
In Stock
Goodman Flowrator W/copper Stub Assy. B1313668
#181B

Air handler with coil diagram

Goodman flowrator w/copper stub assy.

Part #B1313668

$28.16
In Stock
Filter Cover A/h Sml 1722040
#221

Air handler with coil diagram

Filter cover a/h sml

Part #1722040

This item is not returnable
$5.80
In Stock

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

View all

Why is there no display on my water softener?

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

Read more

Why does my water softener leak water?

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

Read more

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…

Read more

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…

Read more

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…

Read more

Why is my softened water salty?

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

Read more

Why isn't my water softener meter working?

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

Read more

Why does my water softener overflow?

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

Read more

Repair guides for water softeners

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

View all
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…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a water softener valve motor

How to replace a water softener valve motor

The valve motor rotates the valve rotor to operate the water softener. If the water softener valve motor fails, follow t…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your air handlers

Use the advice and tips in these articles and videos to get the most out of your water softener.

View all
Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

Read more

Parts & More