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Thermal Zone
Air Handler

Model # AV18B-1 Official Thermal Zone air handler

Here are the diagrams and repair parts for Official Thermal Zone AV18B-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

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

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

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

Circuit Board Only 624552
#2A

Air handlers diagram

Circuit board only

Part #624552

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

Electrical Panel Assembly 371840
#2

Air handlers diagram

Electrical panel assembly

Part #371840

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

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

Filter Cover 257962
#15

Air handlers diagram

Filter cover

Part #257962

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

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Introducing new technical repair content that we’re developing for the Sears Technical Institute

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