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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

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

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

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, 2-wire (not Shown) 257400
#18

Air handlers diagram

Motor cable, 2-wire (not shown)

Part #257400

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

Replacement Jumper, Set Of 5 913870
#2B

Air handlers diagram

Replacement jumper, set of 5

Part #913870

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

Transformer 620858
#4

Air handlers diagram

Transformer

Part #620858

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

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