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AO Smith
Gas Water Heater

Model # FCV40 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith FCV40 water heater, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 33 parts  |
Gas Valve 182792
#13A

Water heater diagram

Gas valve

Part #182792

Replaced by #9003408005

?
Manufacturer substitution
This part replaces 182792. Substitute parts can look different from the original.
$277.19 | 
$12.00 OFF Phone Price : $289.19
In Stock
Insulation 183569-001
#23

Water heater diagram

Insulation

Part #183569-001

Replaced by #100109224

?
Manufacturer substitution
This part replaces 183569-001. Substitute parts can look different from the original.
$34.44
In Stock
Drain Pan 23913-A
#25A

Water heater diagram

Drain pan

Part #23913-A

Replaced by #100108616

?
Manufacturer substitution
This part replaces 23913-A. Substitute parts can look different from the original.
$64.44
In Stock
Release Valve 76527-5
#19

Water heater diagram

Release valve

Part #76527-5

Replaced by #100108279

?
Manufacturer substitution
This part replaces 76527-5. Substitute parts can look different from the original.
$32.22
In Stock
Screen 183159
#11

Water heater diagram

Screen

Part #183159

Replaced by #100109216

?
Manufacturer substitution
This part replaces 183159. Substitute parts can look different from the original.
$22.86
In Stock
Pilot Assembly 183824-190
#5

Water heater diagram

Pilot assembly

Part #183824-190

Replaced by #100109295

?
Manufacturer substitution
This part replaces 183824-190. Substitute parts can look different from the original.
$139.00
In Stock
Pilot Assembly 183824-172
#5A

Water heater diagram

Pilot assembly

Part #183824-172

Replaced by #100109253

?
Manufacturer substitution
This part replaces 183824-172. Substitute parts can look different from the original.
$140.00
In Stock
Drain Pan 23914-A
#25B

Water heater diagram

Drain pan

Part #23914-A

Replaced by #100108615

?
Manufacturer substitution
This part replaces 23914-A. Substitute parts can look different from the original.
$92.22
In Stock
Restrictor 34894
#9

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
View Port 21253
#20

Water heater diagram

View port

Part #21253

Replaced by #100109224

?
Manufacturer substitution
This part replaces 21253. Substitute parts can look different from the original.
$34.44
In Stock

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