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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ALL PARTS
Showing 10 of 15 parts  |

Blower Wheel 667037
#7

Air handlers diagram

Blower wheel

Part #667037

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

Thermal Zone Blower Motor 913358
#9

Air handlers diagram

Thermal zone blower motor

Part #913358

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
Filter Cover 257962Z
#15

Air handlers diagram

Filter cover

Part #257962Z

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

Cap, Top With Insulation 372101Z
#1

Air handlers diagram

Cap, top with insulation

Part #372101Z

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

Horizontal Drain Pan Assembly (not Shown) 914729
#16

Air handlers diagram

Horizontal drain pan assembly (not shown)

Part #914729

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

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Effective articles & videos to help repair your air handlers

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