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AO Smith
Gas Water Heater

Model # FCG50246 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FCG50246 water heater, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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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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Error Codes

Model diagram and schematic

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Showing 10 of 37 parts  |
Insert 181235
#15

Water heater diagram

Insert

Part #181235

Replaced by #183360-000

?
Manufacturer substitution
This part replaces 181235. Substitute parts can look different from the original.
$16.49
In Stock
T & P Valve 23740-1
#28

Water heater diagram

T & p valve

Part #23740-1

Replaced by #100108279

?
Manufacturer substitution
This part replaces 23740-1. Substitute parts can look different from the original.
$32.22
In Stock
Natural Gas Burner 182729-2
#8A

Water heater diagram

Natural gas burner

Part #182729-2

Replaced by #182729-006

?
Manufacturer substitution
This part replaces 182729-2. Substitute parts can look different from the original.
$24.49
In Stock
Restrictor 34894
#4

Water heater diagram

Restrictor

Part #34894

Replaced by #100110078

?
Manufacturer substitution
This part replaces 34894. Substitute parts can look different from the original.
$27.78
In Stock
Natural Gas Orifice 181508-32
#7A

Water heater diagram

Natural gas orifice

Part #181508-32

Replaced by #100110763

?
Manufacturer substitution
This part replaces 181508-32. Substitute parts can look different from the original.
$27.78
In Stock
Door 181667
#12

Water heater diagram

Door

Part #181667

Replaced by #9004369115

?
Manufacturer substitution
This part replaces 181667. Substitute parts can look different from the original.
$10.49
In Stock
Valve 181508-31
#7

Water heater diagram

Valve

Part #181508-31

Replaced by #100109724

?
Manufacturer substitution
This part replaces 181508-31. Substitute parts can look different from the original.
$392.50
In Stock
Baffle 181589
#2

Water heater diagram

Baffle

Part #181589

Replaced by #100111607

?
Manufacturer substitution
This part replaces 181589. Substitute parts can look different from the original.
$57.78
In Stock
Natural Gas Burner 182730
Natural gas burner

Part #182730

Replaced by #100109226

?
Manufacturer substitution
This part replaces 182730. Substitute parts can look different from the original.
$44.44
In Stock
Burner Tube 182727-3
Burner tube

Part #182727-3

Replaced by #182727-003

?
Manufacturer substitution
This part replaces 182727-3. Substitute parts can look different from the original.
$14.49
In Stock

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