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AO Smith
Gas Water Heater

Model # FGR40236 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FGR40236 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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ALL PARTS
Showing 10 of 37 parts  |
Collar 20172-14
#12

Water heater diagram

Collar

Part #20172-14

This item is not returnable
$2.29
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
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
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
Dip Tube 21067-37
#24

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
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
Valve 181508-31
#8

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
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
Natural Gas Orifice 181508-32
#8B

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
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

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Why is my water heater making the water too hot?

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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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