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Rheem
Furnace

Model # GUF Official Rheem furnace

Here are the diagrams and repair parts for Official Rheem GUF 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 78 parts  |
Relay-plug 42-19423-01
#15

Replacement parts diagram

Relay-plug

Part #42-19423-01

Replaced by #WR90-370

?
Manufacturer substitution
This part replaces 42-19423-01. Substitute parts can look different from the original.
$21.63 | 
22% OFF Phone Price : $27.63
In Stock
Orifice 62-22175-42

#NI

All parts diagram

Orifice

Part #62-22175-42

$15.83
In Stock
Orifice 62-22175-54

#NI

All parts diagram

Orifice

Part #62-22175-54

$27.31
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-64401-05

#NI

All parts diagram

Weatherking blow cutoff

Part #AE-64401-05

$29.67
In Stock
Furnace Blower Fan Wheel 70-20602-01
#11A

Replacement parts diagram

Furnace blower fan wheel

Part #70-20602-01

$108.77 | 
10% OFF Phone Price : $120.77
In Stock
Weatherking Blow Cutoff AE-64401-07

#NI

All parts diagram

Weatherking blow cutoff

Part #AE-64401-07

$21.71
In Stock
Orifice 62-22175-55

#NI

All parts diagram

Orifice

Part #62-22175-55

$17.40
In Stock
Pilot Burner 62-21609-01
#22A

Replacement parts diagram

Pilot burner

Part #62-21609-01

$106.76
In Stock
Orifice 62-22175-45

#NI

All parts diagram

Orifice

Part #62-22175-45

$28.43
In Stock

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