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AO Smith
Gas Water Heater

Model # FSG50231 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FSG50231 water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 40 parts  |
Pilot 182165-4
#7A

Water heater diagram

Pilot

Part #182165-4

$43.49
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
Dip Tube 21067-37
#28

Water heater diagram

Dip tube

Part #21067-37

Replaced by #100109602

?
Manufacturer substitution
This part replaces 21067-37. Substitute parts can look different from the original.
$35.56
In Stock
Drain Valve 42037
#29

Water heater diagram

Drain valve

Part #42037

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

Gas Valve 181775-2
#27

Water heater diagram

Gas valve

Part #181775-2

Replaced by #9003408005

?
Manufacturer substitution
This part replaces 181775-2. Substitute parts can look different from the original.
$277.19 | 
$12.00 OFF Phone Price : $289.19
In Stock
Hanger 181360
#3

Water heater diagram

Hanger

Part #181360

Replaced by #9004362115

?
Manufacturer substitution
This part replaces 181360. Substitute parts can look different from the original.
$18.99
In Stock
Insert 181235
#19

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
Orifice,pg 181791-50
#8

Water heater diagram

Orifice,pg

Part #181791-50

Replaced by #100108722

?
Manufacturer substitution
This part replaces 181791-50. Substitute parts can look different from the original.
$24.29
In Stock
Anode Rod 43817-38
#1

Water heater diagram

Anode rod

Part #43817-38

Replaced by #100109594

?
Manufacturer substitution
This part replaces 43817-38. Substitute parts can look different from the original.
$55.56
In Stock
Pilot Tube 23330
#11

Water heater diagram

Pilot tube

Part #23330

Replaced by #9004473115

?
Manufacturer substitution
This part replaces 23330. Substitute parts can look different from the original.
$29.49
In Stock

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