AO Smith
Gas Water Heater

Model # XCVT40Q Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith XCVT40Q water heater, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 34 parts  |

Control Valve 182791-005
#11

Water heater diagram

Control valve

Part #182791-005

Replaced by #9003638005

?
Manufacturer substitution
This part replaces 182791-005. Substitute parts can look different from the original.
$144.40
8% OFF Phone Price : $156.40
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.
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.
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.
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.
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
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.
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.
In Stock
Drain Pan 23913-A
#26A

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.
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

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…

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

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

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

Main causes: faulty pressure relief valve, water is overheating…

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.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

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Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

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Easy DIY water heater repairs

Easy DIY water heater repairs

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