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Rheem
Air Handler

Model # HQA SIZE 12 Official Rheem air handler

Here are the diagrams and repair parts for Official Rheem HQA-SIZE-12 air handler, as well as links to manuals and error code tables, if available.

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  • 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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Model diagram and schematic

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ALL PARTS
Showing 10 of 355 parts  |
Capacitor 43-20847-11
#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
$4.87 | 
17% OFF Phone Price : $5.87
In Stock
Capacitor 43-20847-10
#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
$4.87 | 
17% OFF Phone Price : $5.87
In Stock
Capacitor 43-20847-03
Capacitor

Part #43-20847-03

Replaced by #12005

?
Manufacturer substitution
This part replaces 43-20847-03. Substitute parts can look different from the original.
$16.49 | 
11% OFF Phone Price : $18.49
In Stock
Relay-plug 42-19423-01
Relay-plug

Part #42-19423-01

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

Relay 42-19423-05
Relay

Part #42-19423-05

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

Relay 42-19736-14
Relay

Part #42-19736-14

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

Relay 42-21593-02

#NI

All parts diagram

Relay

Part #42-21593-02

$44.87
In Stock
Relay 42-21593-01

#NI

All parts diagram

Relay

Part #42-21593-01

$28.96
In Stock
Weatherking Blow Cutoff AE-64401-18
#23F

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-18

$23.58
In Stock
Limit Switch 47-20045-06
#34H

Replacement parts diagram

Limit switch

Part #47-20045-06

$61.22
In Stock

Effective articles & videos to help repair your air handlers

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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.…

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