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Rheem
Furnace

Model # GUJ Official Rheem horizontal furnace

Here are the diagrams and repair parts for Official Rheem GUJ 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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ALL PARTS
Showing 10 of 158 parts  |
Capacitor 43-20847-11
#36A

Replacement parts diagram

Capacitor

Part #43-20847-11

Replaced by #12907

?
Manufacturer substitution
This part replaces 43-20847-11. Substitute parts can look different from the original.
This item is not returnable
$4.87 | 
17% OFF Phone Price : $5.87
In Stock
Relay-plug 42-19423-01
#28

Replacement parts diagram

Relay-plug

Part #42-19423-01

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

Ign Control 62-21192-10
Ign control

Part #62-21192-10

Replaced by #BG1600M51EF-1AA

?
Manufacturer substitution
This part replaces 62-21192-10. Substitute parts can look different from the original.
$191.94 | 
6% OFF Phone Price : $203.94
In Stock
Gas Valve 60-22447-04
Gas valve

Part #60-22447-04

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

Ign Control 62-21192-11
#42A

Replacement parts diagram

Ign control

Part #62-21192-11

Replaced by #BG1600M51EF-1AA

?
Manufacturer substitution
This part replaces 62-21192-11. Substitute parts can look different from the original.
$191.94 | 
6% OFF Phone Price : $203.94
In Stock
Burner Assembly 75-22476-14
#23C

Replacement parts diagram

Burner assembly

Part #75-22476-14

$214.58
In Stock
Weatherking Blow Cutoff AE-64401-05
#33C

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-05

$29.67
In Stock
Switch 42-21554-88

#NI

All parts diagram

Switch

Part #42-21554-88

$97.51
In Stock
Orifice 62-21609-05

#NI

All parts diagram

Orifice

Part #62-21609-05

$26.67
In Stock
Blow Cutoff AE-64401-06
#33B

Replacement parts diagram

Blow cutoff

Part #AE-64401-06

$24.11
In Stock

Symptoms for gas ranges

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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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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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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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…

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Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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Repair difficulty
Time required
 15 minutes or less

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