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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Model diagram and schematic

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Showing 10 of 40 parts  |

Pilot 182165-4
#7A

Water heater diagram

Pilot

Part #182165-4

In Stock
Orifice,pg 181791-50
#8A

Water heater diagram

Orifice,pg

Part #181791-50

Replaced by #100108722

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Manufacturer substitution
This part replaces 181791-50. Substitute parts can look different from the original.
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.
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.
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.
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.
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.
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

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.
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.
In Stock

Most common symptoms to help you fix your water heaters

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Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse...

Main causes: faulty pressure relief valve, water is overheating...

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess...

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

Effective articles & videos to help repair your water heaters

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