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Rheem
Furnace

Model # RGUA Official Rheem gas-fired horizontal heating unit

Here are the diagrams and repair parts for Official Rheem RGUA gas-fired horizontal heating unit, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 163 parts  |
Thermocouple 62-18443-05
#28B

Functional replacement parts diagram

Thermocouple

Part #62-18443-05

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

Thermocouple 62-19635-01
#28A

Functional replacement parts diagram

Thermocouple

Part #62-19635-01

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

Relay-plug 42-19423-01
#19A

Functional 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 | 
19% OFF Phone Price : $26.63
In Stock
Filter 54-17531-04

#NI

All parts diagram

Filter

Part #54-17531-04

$23.98
In Stock
Pilot 62-19125-01
#27B

Functional replacement parts diagram

Pilot

Part #62-19125-01

$181.98
In Stock
Transformer 46-19617-02
#17

Functional replacement parts diagram

Transformer

Part #46-19617-02

Replaced by #90-4031F

?
Manufacturer substitution
This part replaces 46-19617-02. Substitute parts can look different from the original.
$10.99
In Stock
Limit 47-17359-07
#16A

Functional replacement parts diagram

Limit

Part #47-17359-07

Replaced by #47-21663-09

?
Manufacturer substitution
This part replaces 47-17359-07. Substitute parts can look different from the original.
$28.13
In Stock
Pilot Switch 62-21004-02
#33

Functional replacement parts diagram

Pilot switch

Part #62-21004-02

Replaced by #62-21426-02

?
Manufacturer substitution
This part replaces 62-21004-02. Substitute parts can look different from the original.
$626.95
In Stock
Ign Control 62-21192-03
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.
$205.62 | 
5% OFF Phone Price : $215.62
In Stock
Switch 47-21087-01
#15B

Functional replacement parts diagram

Switch

Part #47-21087-01

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

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