Thermal Zone
Air Handler

Model # AH30B-1 Official Thermal Zone air handler

Here are the diagrams and repair parts for Official Thermal Zone AH30B-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  |

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
Blower Wheel 667037
#7

Air handlers diagram

Blower wheel

Part #667037

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

Motor 913357
#9

Air handlers diagram

Motor

Part #913357

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

Drain Pan Only , "a" Coils, B-cab 668717
#14

Air handlers diagram

Drain pan only , "a" coils, b-cab

Part #668717

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

Lower Door With Insulation 499871Z
#12

Air handlers diagram

Lower door with insulation

Part #499871Z

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

Complete Blower Assembly 10 X 8, 1/4 Hp 913876
#6

Air handlers diagram

Complete blower assembly 10 x 8, 1/4 hp

Part #913876

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

Transformer 620858
#4

Air handlers diagram

Transformer

Part #620858

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

Upper Door, With Insulation 372021Z
#11

Air handlers diagram

Upper door, with insulation

Part #372021Z

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

Filter Cover 257962Z
#15

Air handlers diagram

Filter cover

Part #257962Z

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

Effective articles & videos to help repair your air handlers

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.…