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Thermal Zone
Air Handler

Model # AV30B-1 Official Thermal Zone air handler

Here are the diagrams and repair parts for Official Thermal Zone AV30B-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 17 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

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

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

Transformer 620858
#4

Air handlers diagram

Transformer

Part #620858

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 914402
#13

Air handlers diagram

Indoor coil assembly

Part #914402

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

Motor, 1/2 Hp, Variable Speed 621475
#9

Air handlers diagram

Motor, 1/2 hp, variable speed

Part #621475

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

Motor Cable, 13-wire (not Shown) 634594
#17

Air handlers diagram

Motor cable, 13-wire (not shown)

Part #634594

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

Complete Blower Assembly, 10 X 8, 1/2 Hp 913879
#6

Air handlers diagram

Complete blower assembly, 10 x 8, 1/2 hp

Part #913879

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

Repair guides for bottom-mount refrigerators

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How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

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How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

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How to replace a refrigerator water valve

How to replace a refrigerator water valve

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

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 15 minutes or less

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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