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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Browse Parts for
AH36B-1 Air Handler
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

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.
$107.77
10% OFF Phone Price : $119.77
In Stock
Electrical Panel Assembly 470720
#2

Air handles diagram

Electrical panel assembly

Part #470720

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

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

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

Cap, Top With Insulation 372101Z
#1

Air handles diagram

Cap, top with insulation

Part #372101Z

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

Filter Cover 257962Z
#15

Air handles diagram

Filter cover

Part #257962Z

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

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

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

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty
Time required
 120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

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 pressure washer.

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.…