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Weatherking
Furnace

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

Here are the diagrams and repair parts for Official Weatherking RGJA-12 gas-fired condensing horizontal 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 99 parts  |
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
| 
6% OFF Phone Price : $203.94
In Stock
Baffle 20052001
#10

Functional replacement parts diagram

Baffle

Part #20052001

$83.60
In Stock
Rheem Coil-cndnsg 20052603
#48

Functional replacement parts diagram

Rheem coil-cndnsg

Part #20052603

$534.30
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.
$10.99
In Stock
Filter Rtnr 20056103
#42

Functional replacement parts diagram

Filter rtnr

Part #20056103

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

Tubing 20058002

#NI

All parts diagram

Tubing

Part #20058002

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

Gskt-trnsfr 20056503
#50

Functional replacement parts diagram

Gskt-trnsfr

Part #20056503

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

Pilot Tube 20053401
#59

Functional replacement parts diagram

Pilot tube

Part #20053401

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

Pressr Swtch 20055405
#24A

Functional replacement parts diagram

Pressr swtch

Part #20055405

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

Cntr6 Assy 20054101
#22

Functional replacement parts diagram

Cntr6 assy

Part #20054101

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

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...

Read more

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....

Read more
Repair difficulty
Time required
15 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
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range....

Read more
Repair difficulty
Time required
45 minutes or less

Effective articles & videos to help repair your furnaces

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How to get your furnace ready for winter

How to get your furnace ready for winter

Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape....

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

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

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs....

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Top questions about Sears and Sears PartsDirect

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