Thermal Zone
Air Handler

Model # AH36B-1 Official Thermal Zone air handler

Here are the diagrams and repair parts for Official Thermal Zone AH36B-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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Showing 10 of 15 parts  |

Capacitor 621435
#8

Air handles 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
Motor 913357
#9

Air handles diagram

Motor

Part #913357

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

Blower Wheel 667037
#7

Air handles 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 handles diagram

Close off plate (2)

Part #226420

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

Filter Cover 257962Z
#15

Air handles diagram

Filter cover

Part #257962Z

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

Drain Pan Only , "a" Coils, B-cab 668717
#14

Air handles diagram

Drain pan only , "a" coils, b-cab

Part #668717

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

Blower Relay 620537
#3

Air handles diagram

Blower relay

Part #620537

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

Transformer 620858
#4

Air handles 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 handles diagram

Horizontal drain pan assembly (not shown)

Part #914729

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

Lower Door With Insulation 499871Z
#12

Air handles diagram

Lower door with insulation

Part #499871Z

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

Repair guides for side-by-side refrigerators

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 30 minutes or less
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…

Repair difficulty
Time required
 15 minutes or less
How to replace a defrost sensor in a side-by-side refrigerator

How to replace a defrost sensor in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost sensor could be at fault. You can …

Repair difficulty
Time required
 45 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.…