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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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

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
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

Filter Cover 257962Z
#15

Air handlers diagram

Filter cover

Part #257962Z

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

Indoor Coil Assembly 914400
#13

Air handlers diagram

Indoor coil assembly

Part #914400

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

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

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Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
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 15 minutes or less
How to replace the evaporator fan motor in a top-freezer refrigerator

How to replace the evaporator fan motor in a top-freezer refrigerator

The evaporator fan motor blows air across the evaporator coils and through the refrigerator cabinet for cooling. Replace…

Repair difficulty
Time required
 15 minutes or less
How to replace the compressor start relay in a top-freezer refrigerator

How to replace the compressor start relay in a top-freezer refrigerator

The compressor start relay starts the compressor and shuts it off if the motor overheats. Replace the start relay if it'…

Repair difficulty
Time required
 15 minutes or less

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.…