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Rheem
Furnace

Model # GNC Official Rheem gas-fired counterflow heating unit

Here are the diagrams and repair parts for Official Rheem GNC gas-fired counterflow 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 284 parts  |
Thermocouple 62-19635-01
#39B

Blower and heat exchange diagram

Thermocouple

Part #62-19635-01

Replaced by #H06E-36

?
Manufacturer substitution
This part replaces 62-19635-01. Substitute parts can look different from the original.
This item is not returnable
$14.52 | 
12% OFF Phone Price : $16.52
Back Order
Thermocouple 62-18443-05
#39A

Blower and heat exchange 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
Capacitor 43-20847-03

#NI

All parts diagram

Capacitor

Part #43-20847-03

Replaced by #12005

?
Manufacturer substitution
This part replaces 43-20847-03. Substitute parts can look different from the original.
$16.49 | 
11% OFF Phone Price : $18.49
In Stock
Relay-plug 42-19423-01

#NI

All 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
#42N

Blower and heat exchange 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
#42O

Blower and heat exchange 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
Weatherking Blow Cutoff AE-64401-07

#NI

All parts diagram

Weatherking blow cutoff

Part #AE-64401-07

$21.71
In Stock
Weatherking Blow Cutoff AE-64401-18

#NI

All parts diagram

Weatherking blow cutoff

Part #AE-64401-18

$23.58
In Stock
Gas Valve 60-21103-01
#41G

Blower and heat exchange diagram

Gas valve

Part #60-21103-01

$764.05
In Stock

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