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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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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  |
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

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