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”.

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

Showing 10 of 355 parts

Motor Run Capacitor#21E

Replacement parts Diagram

Capacitor

Part #43-20847-10
Replaced by #12907
?
Manufacturer substitution
This part replaces 43-20847-10. Substitute parts can look different from the original.
This item is not returnable
In Stock
$3.19 | 
24% OFF 
Phone Price: $4.19
Motor Run Capacitor#21D

Replacement parts Diagram

Capacitor

Part #43-20847-11
Replaced by #12907
?
Manufacturer substitution
This part replaces 43-20847-11. Substitute parts can look different from the original.
This item is not returnable
In Stock
$3.19 | 
24% OFF 
Phone Price: $4.19
Breaker Box#15C

Replacement parts Diagram

Breaker box

Part #AS-52080-03
In Stock
$21.99
Ground Lug

See All Related Diagrams

Ground lug

Part #45-19000-02
This item is not returnable
In Stock
$5.85
L Brkr Cvr#9F

Replacement parts Diagram

L brkr cvr

Part #AE-52071-01
In Stock
$10.12
Door#7A

Replacement parts Diagram

Door

Part #AS-54718-02
In Stock
$83.33
Central Air Conditioner Air Handler Blower Motor#20F

Replacement parts Diagram

In Stock
$152.59 | 
6% OFF 
Phone Price: $162.59
Limit Switch

#NI

All parts Diagram

Limit switch

Part #47-17359-23
In Stock
$37.36
Control Cover#9C

Replacement parts Diagram

Control cover

Part #AE-52133-01
In Stock
$29.09
Cabinet#1B

Replacement parts Diagram

Cabinet

Part #AS-52452-01
In Stock
$203.45

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

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.