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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:

  • Click a diagram to see the parts shown on that diagram.
  • 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 37 parts  |
T & P Valve 23740-1
#28

Water heater diagram

T & p valve

Part #23740-1

Replaced by #9000071015

?
Manufacturer substitution
This part replaces 23740-1. Substitute parts can look different from the original.
BEST SELLER
$14.36 | 
12% OFF Phone Price : $16.36
In Stock
Anode 29109-35
#1C

Water heater diagram

Anode

Part #29109-35

Replaced by #100108660

?
Manufacturer substitution
This part replaces 29109-35. Substitute parts can look different from the original.
$60.00
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
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
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
Tube,therm 182970-39
#26

Water heater diagram

Tube,therm

Part #182970-39

Replaced by #9003903005

?
Manufacturer substitution
This part replaces 182970-39. Substitute parts can look different from the original.
$27.99
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
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
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
Label 182734
#NI

Water heater diagram

Label

Part #182734

Replaced by #182734-000

?
Manufacturer substitution
This part replaces 182734. Substitute parts can look different from the original.
$13.99
In Stock

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