Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Rheem
Air Handler

Model # HQA SIZE 20 Official Rheem air handler

Here are the diagrams and repair parts for Official Rheem HQA-SIZE-20 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 355 parts  |
Weatherking Blow Cutoff AE-64401-18
#23F

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-18

$23.58
In Stock
Relay 42-21593-01

#NI

All parts diagram

Relay

Part #42-21593-01

$28.96
In Stock
Limit Switch 47-20045-06
#34H

Replacement parts diagram

Limit switch

Part #47-20045-06

$61.22
In Stock
Filter 54-19655-12
#12B

Replacement parts diagram

Filter

Part #54-19655-12

$22.71
In Stock
Relay 42-21593-02

#NI

All parts diagram

Relay

Part #42-21593-02

$44.87
In Stock
Blower Wheel 70-17426-02
#23C

Replacement parts diagram

Blower wheel

Part #70-17426-02

$239.42
In Stock
Motor 51-20466-01
#20C

Replacement parts diagram

Motor

Part #51-20466-01

Replaced by #51-21756-01

?
Manufacturer substitution
This part replaces 51-20466-01. Substitute parts can look different from the original.
$420.27
In Stock
Limit 47-20034-07
#34J

Replacement parts diagram

Limit

Part #47-20034-07

Replaced by #47-20045-02

?
Manufacturer substitution
This part replaces 47-20034-07. Substitute parts can look different from the original.
$58.47
In Stock
Element Assembly AS-52307-04
Element assembly

Part #AS-52307-04

Replaced by #44-22518-04

?
Manufacturer substitution
This part replaces AS-52307-04. Substitute parts can look different from the original.
$147.44
In Stock
Limit 47-20034-01
Limit

Part #47-20034-01

Replaced by #47-20045-02

?
Manufacturer substitution
This part replaces 47-20034-01. Substitute parts can look different from the original.
$58.47
In Stock

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a riding lawn mower front tire

How to replace a riding lawn mower front tire

Get your mower moving again by using these instructions when replacing a damaged front tire.…

Read more
Repair difficulty
Time required
 60 minutes or less

Effective articles & videos to help repair your air handlers

View all
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.…

Read more

Parts & More