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  |

Ignit Cntrl B1811738
#19

Functional replacement parts diagram

Ignit cntrl

Part #B1811738

Replaced by #BG1600M51EF-1AA

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Manufacturer substitution
This part replaces B1811738. Substitute parts can look different from the original.
$191.94
6% OFF Phone Price : $203.94
In Stock
Baffle 20052001
#10

Functional replacement parts diagram

Baffle

Part #20052001

In Stock
Rheem Coil-cndnsg 20052603
#48

Functional replacement parts diagram

Rheem coil-cndnsg

Part #20052603

In Stock
Transformer 20054401
#18

Functional replacement parts diagram

Transformer

Part #20054401

Replaced by #90-4031F

?
Manufacturer substitution
This part replaces 20054401. Substitute parts can look different from the original.
In Stock
Door-frnt Bl 20050801
#41

Functional replacement parts diagram

Door-frnt bl

Part #20050801

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

Pnl-frt Cntr 20051001
#39

Functional replacement parts diagram

Pnl-frt cntr

Part #20051001

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

Baffle 20052204
#52

Functional replacement parts diagram

Baffle

Part #20052204

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

Motor Mount B4308643
#81

Functional replacement parts diagram

Motor mount

Part #B4308643

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

Plt Brnr Inl 20052304
#67

Functional replacement parts diagram

Plt brnr inl

Part #20052304

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

Pilot Orifice 20053904
#28

Functional replacement parts diagram

Pilot orifice

Part #20053904

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

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How to replace a freezer thermistor

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Repair difficulty
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How to replace a freezer door switch

How to replace a freezer door switch

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Repair difficulty
Time required
 15 minutes or less

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