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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  • In the search box below, enter all or part of the part number or the part’s name.

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  |

Relay-plug 42-19423-01
#28

Replacement parts diagram

Relay-plug

Part #42-19423-01

Replaced by #WR90-370

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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 62-21609-05

#NI

All parts diagram

Orifice

Part #62-21609-05

In Stock
Pilot Burner 62-21609-01
Pilot burner

Part #62-21609-01

In Stock
Furnace Blower Fan Wheel 70-20602-01
#35DE

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
#33A

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-07

In Stock
Burner Assembly 75-22476-15
#23D

Replacement parts diagram

Burner assembly

Part #75-22476-15

In Stock
Switch 42-21554-88

#NI

All parts diagram

Switch

Part #42-21554-88

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

Replacement parts diagram

Weatherking blow cutoff

Part #AE-64401-05

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

Replacement parts diagram

Blow cutoff

Part #AE-64401-06

In Stock
Burner Assembly 75-22476-14
#23C

Replacement parts diagram

Burner assembly

Part #75-22476-14

In Stock

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