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AO Smith
Gas Water Heater

Model # XCVT40L Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith XCVT40L water heater, as well as links to manuals and error code tables, if available.

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

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Error Codes

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ALL PARTS
Showing 10 of 34 parts  |
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

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
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
Drain Pan 23912-A
#26

Water heater diagram

Drain pan

Part #23912-A

Replaced by #100108459

?
Manufacturer substitution
This part replaces 23912-A. Substitute parts can look different from the original.
$63.33
In Stock
Burner Head 183220-000
#4A

Water heater diagram

Burner head

Part #183220-000

Replaced by #9003633005

?
Manufacturer substitution
This part replaces 183220-000. Substitute parts can look different from the original.
$86.99
In Stock
Screen 183159-000
#1

Water heater diagram

Screen

Part #183159-000

Replaced by #100109216

?
Manufacturer substitution
This part replaces 183159-000. Substitute parts can look different from the original.
$22.86
In Stock
Flue Baffle 183582-000
#9

Water heater diagram

Flue baffle

Part #183582-000

Replaced by #9003636005

?
Manufacturer substitution
This part replaces 183582-000. Substitute parts can look different from the original.
$30.49
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
Gasket 183162-000
#14

Water heater diagram

Gasket

Part #183162-000

Replaced by #100109214

?
Manufacturer substitution
This part replaces 183162-000. Substitute parts can look different from the original.
$31.11
In Stock

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Why isn't my water heater heating my water?

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Why does my hot water smell like rotten eggs?

Main causes: water supply needs chlorine treatment, anode rod too reactive…

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Why is my water heater making the water too hot?

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

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Why is my water heater's pressure relief valve dripping water?

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