Rheem
Air Handler

Model #HQA SIZE 20 Official Rheem air handler

Here are the diagrams and repair parts for 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.

Showing 10 of 355 parts

Motor Run Capacitor

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Capacitor

Part #43-20847-03
Replaced by #12005
?
Manufacturer substitution
This part replaces 43-20847-03. Substitute parts can look different from the original.
In Stock
$16.12 | 
11% OFF 
Phone Price: $18.12
Blower Wheel#23C

Replacement parts Diagram

Blower wheel

Part #70-17426-02
In Stock
$173.97
Central Air Conditioner Air Handler Blower Motor#20B

Replacement parts Diagram

In Stock
$343.98
Relay

#NI

All parts Diagram

Relay

Part #42-21593-01
In Stock
$51.03
Filter#12C

Replacement parts Diagram

Filter

Part #54-19655-13
In Stock
$16.42
Circuit Breaker

#NI

All parts Diagram

Circuit breaker

Part #42-20224-04
In Stock
$93.58
Control

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Control

Part #AS-52441-09
In Stock
$247.99
Blow Cutoff#23G

Replacement parts Diagram

Blow cutoff

Part #AE-64401-01
In Stock
$8.99
Fuse Block

#NI

All parts Diagram

Fuse block

Part #45-19664-02
In Stock
$33.49
Brkr Cover#9D

Replacement parts Diagram

Brkr cover

Part #AE-52072-01
In Stock
$9.03

Articles and videos common to all air handlers

August 5, 2022

Introducing new technical repair content that we’re developing for the Sears Technical Institute

By Lyle Weischwill

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.