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Thermal Zone
Air Handler

Model # AH42B-1 Official Thermal Zone air handler

Here are the diagrams and repair parts for Official Thermal Zone AH42B-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 Motor 913358
#9

Air handlers diagram

Blower motor

Part #913358

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

Blower Wheel 667037
#7

Air handlers diagram

Blower wheel

Part #667037

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

Indoor Coil Assembly 914402
#13

Air handlers diagram

Indoor coil assembly

Part #914402

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

Electrical Panel Assembly 470720
#2

Air handlers diagram

Electrical panel assembly

Part #470720

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

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

Complete Blower Assembly, 10 X 8, 1/3 Hp 913877
#6

Air handlers diagram

Complete blower assembly, 10 x 8, 1/3 hp

Part #913877

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

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Effective articles & videos to help repair your air handlers

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