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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Model diagram and schematic

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ALL PARTS
Showing 10 of 355 parts  |

Relay 42-19736-14
Relay

Part #42-19736-14

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

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 43-20847-11
#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 43-20847-03
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 42-21593-02

#NI

All parts diagram

Relay

Part #42-21593-02

In Stock
Filter 54-19655-12
#12B

Replacement parts diagram

Filter

Part #54-19655-12

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

Replacement parts diagram

Blower wheel

Part #70-17426-02

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

Replacement parts diagram

Limit switch

Part #47-20045-06

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

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-18

In Stock
Relay 42-21593-01

#NI

All parts diagram

Relay

Part #42-21593-01

In Stock

Repair guides for side-by-side refrigerators

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How to replace a foamed-in-place door gasket in a side-by-side refrigerator

The door gasket seals the gap around the door to keep the cold air in and the warm air out. Replace a worn or damaged do…

Repair difficulty
Time required
 30 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
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 15 minutes or less
How to replace a defrost sensor in a side-by-side refrigerator

How to replace a defrost sensor in a side-by-side refrigerator

If frost is building up in the freezer of your side-by-side refrigerator, the defrost sensor could be at fault. You can …

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your air handlers

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

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