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AO Smith
Gas Water Heater

Model # FSG50233 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FSG50233 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
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
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
Thrmocoupl 23673
#9

Water heater diagram

Thrmocoupl

Part #23673

Replaced by #100108462

?
Manufacturer substitution
This part replaces 23673. Substitute parts can look different from the original.
$33.33
In Stock
Gas Valve 181775-2
#27

Water heater diagram

Gas valve

Part #181775-2

Replaced by #100109219

?
Manufacturer substitution
This part replaces 181775-2. Substitute parts can look different from the original.
$336.67
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
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

Orifice,pg 181791-50
#8A

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
Pilot Tube 23925-16
#11

Water heater diagram

Pilot tube

Part #23925-16

Replaced by #100110045

?
Manufacturer substitution
This part replaces 23925-16. Substitute parts can look different from the original.
$34.44
In Stock

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Why isn't my water heater making enough hot water?

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Why is my water heater making the water too hot?

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

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Why is my water heater's pressure relief valve dripping water?

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Effective articles & videos to help repair your water heaters

Use the advice and tips in these articles and videos to get the most out of your water heater.

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Wiring schematic symbols explained video

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