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Model # FSG50230 Official AO Smith water heater
Here are the diagrams and repair parts for Official AO Smith FSG50230 water heater, as well as links to manuals and error code tables, if available.
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FSG50230 Water Heaters
#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
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
#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
#29
Water heater diagram
Drain valve
Part #42037
The manufacturer no longer makes this part, and there's no substitute part
#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
#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
#8A
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
#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
#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
#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
Most common symptoms to help you fix your water heaters
Choose a symptom to see related water heater repairs.
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Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…
Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…
Main causes: faulty pressure relief valve, water is overheating…
Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…
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.
![How to read a wiring schematic video](https://images.ctfassets.net/fpe0ec7r30ix/2SrMBUkLsv9E1rHfuSujxe/bd187d3d5c266e98fb469c23584ecbdc/ART-How-to-Read-a-Wiring-Schematic-Video.jpg?fm=png&w=270&h=270)
Learn how to decipher symbols so you can buy the right part for your problem.…
![Easy DIY water heater repairs](https://images.ctfassets.net/fpe0ec7r30ix/4i9fGkFmogT4XzMYLbdJhU/3e55902b74500fae0295007fe50c6b6c/ART-WH-Easy-DIY-Water-Heater-Repairs.jpg?fm=png&w=270&h=270)
Read about some water heater repairs that you can easily do yourself.…
![Water heater common questions](https://images.ctfassets.net/fpe0ec7r30ix/6zovLhXw7Jp889pC1sRxBv/d0c3e998dd35e3d5d34ffe05eaede601/ART-WH-Water-Heater-Common-Questions.jpg?fm=png&w=270&h=270)
These common questions and answers can help you make the most of your water heater.…