Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Thermal Zone
Air Handler

Model # AH18A-1 Official Thermal Zone air handler

Here are the diagrams and repair parts for Official Thermal Zone AH18A-1 air handler, 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.

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 15 parts  |
Capacitor 621435
#8

Air handlers diagram

Capacitor

Part #621435

Replaced by #12908

?
Manufacturer substitution
This part replaces 621435. Substitute parts can look different from the original.
This item is not returnable
$5.26 | 
16% OFF Phone Price : $6.26
In Stock
Motor 913357
#9

Air handlers diagram

Motor

Part #913357

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

Blower Wheel, 10 X 16 667215
#7

Air handlers diagram

Blower wheel, 10 x 16

Part #667215

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

Close Off Plate (2) 226420
#5

Air handlers diagram

Close off plate (2)

Part #226420

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

Horizontal Drain Pan Assembly (not Shown) 364831
#16

Air handlers diagram

Horizontal drain pan assembly (not shown)

Part #364831

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

Electrical Panel Assembly 470960
#2

Air handlers diagram

Electrical panel assembly

Part #470960

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

Indoor Coil Assembly 914418
#13

Air handlers diagram

Indoor coil assembly

Part #914418

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

Drain Pan Only, Slab Coils 668865
#14

Air handlers diagram

Drain pan only, slab coils

Part #668865

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

Upper Door With Insulation 372401Z
#11

Air handlers diagram

Upper door with insulation

Part #372401Z

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

Lower Door, With Insulation 488080Z
#12

Air handlers diagram

Lower door, with insulation

Part #488080Z

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

Effective articles & videos to help repair your air handlers

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