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Rheem
Furnace

Model # GWC Official Rheem gas-fired horizontal heating unit

Here are the diagrams and repair parts for Official Rheem GWC gas-fired horizontal heating unit, 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 245 parts  |
Thermocouple 62-18443-05
#31A

Replacement parts diagram

Thermocouple

Part #62-18443-05

Replaced by #H06E-36

?
Manufacturer substitution
This part replaces 62-18443-05. Substitute parts can look different from the original.
This item is not returnable
$14.52 | 
12% OFF Phone Price : $16.52
Back Order
Capacitor 43-20847-10

#NI

All parts diagram

Capacitor

Part #43-20847-10

Replaced by #12907

?
Manufacturer substitution
This part replaces 43-20847-10. 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 62-21192-01
#35C

Replacement parts diagram

Ign control

Part #62-21192-01

Replaced by #BG1600M51EF-1AA

?
Manufacturer substitution
This part replaces 62-21192-01. Substitute parts can look different from the original.
$191.94 | 
6% OFF Phone Price : $203.94
In Stock
Ign Control 62-21192-03
#35D

Replacement parts diagram

Ign control

Part #62-21192-03

Replaced by #BG1600M51EF-1AA

?
Manufacturer substitution
This part replaces 62-21192-03. Substitute parts can look different from the original.
$191.94 | 
6% OFF Phone Price : $203.94
In Stock
Filter 54-17531-04

#NI

All parts diagram

Filter

Part #54-17531-04

$23.98
In Stock
Orifice 62-20003-47
#29B

Replacement parts diagram

Orifice

Part #62-20003-47

$27.69
In Stock
Blow Cutoff AE-64401-06

#NI

All parts diagram

Blow cutoff

Part #AE-64401-06

$24.11
In Stock
Weatherking Blow Cutoff AE-64401-18

#NI

All parts diagram

Weatherking blow cutoff

Part #AE-64401-18

$23.58
In Stock
Pilot 62-19125-01
#30A

Replacement parts diagram

Pilot

Part #62-19125-01

$181.98
In Stock

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