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.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 15 parts  |

Capacitor 621435
#8

Air handles diagram

Capacitor

Part #621435

Replaced by #12908

?
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
Blower Wheel 667037
#7

Air handles diagram

Blower wheel

Part #667037

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

Motor 913357
#9

Air handles diagram

Motor

Part #913357

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

Blower Relay 620537
#3

Air handles diagram

Blower relay

Part #620537

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 handles 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

Indoor Coil Assembly 914401
#13

Air handles diagram

Indoor coil assembly

Part #914401

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

Transformer 620858
#4

Air handles diagram

Transformer

Part #620858

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

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

Repair guides for gas chainsaws

These step-by-step repair guides will help you safely fix what’s broken on your chainsaw.

How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…

Repair difficulty
Time required
 15 minutes or less
How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Repair difficulty
Time required
 15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your air handlers

Use the advice and tips in these articles and videos to get the most out of your chainsaw.

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.…