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Rheem
Furnace

Model # RGJA-12 Official Rheem gas-fired condensing horizontal furnace

Here are the diagrams and repair parts for Official Rheem RGJA-12 gas-fired condensing horizontal furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 99 parts  |
Transformer 20054401
#18

Functional replacement parts diagram

Transformer

Part #20054401

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

Ignit Cntrl B1811738
#19

Functional replacement parts diagram

Ignit cntrl

Part #B1811738

Replaced by #BG1600M51EF-1AA

?
Manufacturer substitution
This part replaces B1811738. Substitute parts can look different from the original.
$191.94 | 
7% OFF Was : $205.62
In Stock
Rheem Coil-cndnsg 20052603
#48

Functional replacement parts diagram

Rheem coil-cndnsg

Part #20052603

$534.30
In Stock
Baffle 20052001
#10

Functional replacement parts diagram

Baffle

Part #20052001

$83.60
In Stock
Gskt Brn Cvr 20056702
#7

Functional replacement parts diagram

Gskt brn cvr

Part #20056702

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

Cvr-frt Brnr 20051301
#34

Functional replacement parts diagram

Cvr-frt brnr

Part #20051301

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

Door Switch B4310407
#2

Door switch diagram

Door switch

Part #B4310407

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

Cut-off B4123093
#79

Functional replacement parts diagram

Cut-off

Part #B4123093

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

Ignit Cntrl B1811872
#19A

Functional replacement parts diagram

Ignit cntrl

Part #B1811872

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

Panel-bttm 20050601
#11

Functional replacement parts diagram

Panel-bttm

Part #20050601

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

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