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Rheem
Furnace

Model # RGBA Official Rheem gas-fired highboy furnace

Here are the diagrams and repair parts for Official Rheem RGBA gas-fired highboy 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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Showing 10 of 429 parts  |
Motor 51-20621-01

#NI

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Motor

Part #51-20621-01

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

Motor 51-18830-01

#NI

All parts diagram

Motor

Part #51-18830-01

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

Motor 51-19235-01

#NI

All parts diagram

Motor

Part #51-19235-01

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

Motor 51-19069-01

#NI

All parts diagram

Motor

Part #51-19069-01

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

Thermocouple 62-19635-01
#28A

Functional replacement parts diagram

Thermocouple

Part #62-19635-01

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

Thermocouple 62-18443-05
#28

Functional replacement parts diagram

Thermocouple

Part #62-18443-05

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

Capacitor 43-20847-10

#NI

All 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

#NI

All parts diagram

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
F&l Control 47-18907-09
#20J

Functional replacement parts diagram

F&l control

Part #47-18907-09

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

Filter 54-17531-10
#18A

Functional replacement parts diagram

Filter

Part #54-17531-10

$25.58
In Stock

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Follow these steps to replace the ignition module if it doesn't produce a spark. …

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