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AO Smith
Gas Water Heater

Model # GCVT40Q Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GCVT40Q water heater, as well as links to manuals and error code tables, if available.

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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 34 parts  |
Pilot Assembly 183824-190
#19

Water heater diagram

Pilot assembly

Part #183824-190

Replaced by #9003542

?
Manufacturer substitution
This part replaces 183824-190. Substitute parts can look different from the original.
$65.53 | 
8% OFF Phone Price : $71.53
In Stock
Anode Rod 183523-029
#2

Water heater diagram

Anode rod

Part #183523-029

Replaced by #100109624

?
Manufacturer substitution
This part replaces 183523-029. Substitute parts can look different from the original.
$31.11
In Stock
Drain Pan 23914-A
#26B

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
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
Orifice 181508-031
#5

Water heater diagram

Orifice

Part #181508-031

Replaced by #9005172015

?
Manufacturer substitution
This part replaces 181508-031. Substitute parts can look different from the original.
$12.49
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
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
Burner Tube 183450-002
#6A

Water heater diagram

Burner tube

Part #183450-002

Replaced by #9003644005

?
Manufacturer substitution
This part replaces 183450-002. Substitute parts can look different from the original.
$33.99
In Stock
Burner Tube 183163-002
#6

Water heater diagram

Burner tube

Part #183163-002

Replaced by #9003635005

?
Manufacturer substitution
This part replaces 183163-002. Substitute parts can look different from the original.
$66.49
In Stock

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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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