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Rheem
Furnace

Model # RGGA Official Rheem gas-fired lowboy furnace

Here are the diagrams and repair parts for Official Rheem RGGA gas-fired lowboy 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 304 parts  |
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

Capacitor 43-20847-10

#NI

All parts diagram

Capacitor

Part #43-20847-10

Replaced by #12907

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Manufacturer substitution
This part replaces 43-20847-10. Substitute parts can look different from the original.
This item is not returnable
$3.19 | 
24% OFF Phone Price : $4.19
In Stock
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
#30A

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
#30

Functional replacement parts diagram

Thermocouple

Part #62-18443-05

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

Blower Wheel 70-18782-02

#NI

All parts diagram

Blower wheel

Part #70-18782-02

Replaced by #70-20602-01

?
Manufacturer substitution
This part replaces 70-18782-02. Substitute parts can look different from the original.
$126.40 | 
7% OFF Phone Price : $136.40
In Stock
Gas Valve 60-21103-01
#32I

Functional replacement parts diagram

Gas valve

Part #60-21103-01

$764.05
In Stock
Blow Cutoff AE-64401-18

#NI

All parts diagram

Blow cutoff

Part #AE-64401-18

$23.58
In Stock
Blower Wheel 70-18631-01

#NI

All parts diagram

Blower wheel

Part #70-18631-01

$191.76
In Stock
Blow Cutoff AE-64401-07

#NI

All parts diagram

Blow cutoff

Part #AE-64401-07

$21.71
In Stock

Symptoms for gas ranges

Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

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Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark module

How to replace a range spark module

Follow these step-by-step instructions to put the fire back into the surface burners on your gas range by replacing the …

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Read more
Repair difficulty
Time required
 60 minutes or less

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How to get your furnace ready for winter

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

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