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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.

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Model diagram and schematic

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Showing 10 of 15 parts  |
Motor 913357
#9

Air handlers diagram

Motor

Part #913357

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

Capacitor 621435
#8

Air handlers diagram

Capacitor

Part #621435

Replaced by #12908

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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
Transformer 620858
#4

Air handlers diagram

Transformer

Part #620858

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

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

Filter Cover 257961Z
#15

Air handlers diagram

Filter cover

Part #257961Z

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

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

Blower Relay 620537
#3

Air handlers diagram

Blower relay

Part #620537

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

Effective articles & videos to help repair your air handlers

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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.…

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