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Rheem
Furnace

Model # HWA8&12 Official Rheem hot water space heat furnace

Here are the diagrams and repair parts for Official Rheem HWA812 hot water space heat furnace, 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 47 parts  |
Capacitor 43-20847-04
#21

Unit parts diagram

Capacitor

Part #43-20847-04

Replaced by #12005

?
Manufacturer substitution
This part replaces 43-20847-04. Substitute parts can look different from the original.
$16.12 | 
11% OFF Phone Price : $18.12
In Stock
Furnace Coil Assembly AS-58227-02
#8A

Unit parts diagram

Furnace coil assembly

Part #AS-58227-02

$1225.88
In Stock
Coil Assembly AS-58228-02
#8B

Unit parts diagram

Coil assembly

Part #AS-58228-02

$1545.45
In Stock
Motor 51-20169-02
#20

Unit parts diagram

Motor

Part #51-20169-02

$353.51
In Stock
Filter 54-19655-12

#NI

All parts diagram

Filter

Part #54-19655-12

$22.71
In Stock
Blower Wheel 70-18631-01
#17

Unit parts diagram

Blower wheel

Part #70-18631-01

$191.76
In Stock
Bracket AS-53148-03
#19A

Unit parts diagram

Bracket

Part #AS-53148-03

Replaced by #AS-53148-83

?
Manufacturer substitution
This part replaces AS-53148-03. Substitute parts can look different from the original.
$69.09
In Stock
Blower Wheel 70-21476-01
#17A

Unit parts diagram

Blower wheel

Part #70-21476-01

Replaced by #70-23111-05

?
Manufacturer substitution
This part replaces 70-21476-01. Substitute parts can look different from the original.
$143.04
In Stock
Vnt Mtr Rely 42-22444-03
#13

Unit parts diagram

Vnt mtr rely

Part #42-22444-03

Replaced by #WR90-370

?
Manufacturer substitution
This part replaces 42-22444-03. Substitute parts can look different from the original.
$21.63 | 
19% OFF Phone Price : $26.63
In Stock
Capacitor 43-20847-09
#21A

Unit parts diagram

Capacitor

Part #43-20847-09

Replaced by #43-25134-04

?
Manufacturer substitution
This part replaces 43-20847-09. Substitute parts can look different from the original.
$9.80
In Stock

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