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AO Smith
Gas Water Heater

Model # XCVT40 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith XCVT40 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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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 34 parts  |
Burner Head 183583-001
#4

Water heater diagram

Burner head

Part #183583-001

$30.49
In Stock
Outer Door 183458-000
#17

Water heater diagram

Outer door

Part #183458-000

Replaced by #100109299

?
Manufacturer substitution
This part replaces 183458-000. Substitute parts can look different from the original.
$35.56
In Stock
Control Valve 182792-001
#11A

Water heater diagram

Control valve

Part #182792-001

Replaced by #9003639005

?
Manufacturer substitution
This part replaces 182792-001. Substitute parts can look different from the original.
$362.49
In Stock
Anode Rod 183523-036
#2

Water heater diagram

Anode rod

Part #183523-036

Replaced by #100109594

?
Manufacturer substitution
This part replaces 183523-036. Substitute parts can look different from the original.
$55.56
In Stock
2nd Anode 184634-114
#21

Water heater diagram

2nd anode

Part #184634-114

Replaced by #9004257005

?
Manufacturer substitution
This part replaces 184634-114. Substitute parts can look different from the original.
$20.51
| 
23% OFF Phone Price : $26.51
In Stock
Pilot Assembly 183824-192
#19A

Water heater diagram

Pilot assembly

Part #183824-192

Replaced by #9003543005

?
Manufacturer substitution
This part replaces 183824-192. Substitute parts can look different from the original.
$95.99
In Stock
Temperature Valve 043151-000
#23

Water heater diagram

Temperature valve

Part #043151-000

The manufacturer no longer makes this part, and there's no substitute part

Draft Hood 183853-000
#7

Water heater diagram

Draft hood

Part #183853-000

Replaced by #100108368

?
Manufacturer substitution
This part replaces 183853-000. Substitute parts can look different from the original.
$36.67
In Stock
Burner 183222-007
#3A

Water heater diagram

Burner

Part #183222-007

Replaced by #9003550005

?
Manufacturer substitution
This part replaces 183222-007. Substitute parts can look different from the original.
$84.99
In Stock
Restrictor 035405-000
#10

Water heater diagram

Restrictor

Part #035405-000

Replaced by #100109288

?
Manufacturer substitution
This part replaces 035405-000. Substitute parts can look different from the original.
$33.33
In Stock

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