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AO Smith
Gas Water Heater

Model # GCVT50L Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GCVT50L 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  |
Control Valve 182792-000
#11A

Water heater diagram

Control valve

Part #182792-000

Replaced by #9003408005

?
Manufacturer substitution
This part replaces 182792-000. Substitute parts can look different from the original.
$277.19 | 
$12.00 OFF Phone Price : $289.19
In Stock
Burner Tube 183163-003
#6

Water heater diagram

Burner tube

Part #183163-003

Replaced by #100109207

?
Manufacturer substitution
This part replaces 183163-003. Substitute parts can look different from the original.
$71.11
In Stock
Control Valve 182791-004
#11

Water heater diagram

Control valve

Part #182791-004

Replaced by #100109217

?
Manufacturer substitution
This part replaces 182791-004. Substitute parts can look different from the original.
$229.09
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.
$64.44
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

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
Igniter Assembly 183798-000
#18

Water heater diagram

Igniter assembly

Part #183798-000

Replaced by #100109221

?
Manufacturer substitution
This part replaces 183798-000. Substitute parts can look different from the original.
$25.71
In Stock
Pilot Assembly 183824-200
#19

Water heater diagram

Pilot assembly

Part #183824-200

Replaced by #100109286

?
Manufacturer substitution
This part replaces 183824-200. Substitute parts can look different from the original.
$139.00
In Stock
Insulation 183256-000
#NI

Water heater diagram

Insulation

Part #183256-000

Replaced by #9003716005

?
Manufacturer substitution
This part replaces 183256-000. Substitute parts can look different from the original.
$23.49
In Stock
Burner Head 183583-000
#4

Water heater diagram

Burner head

Part #183583-000

Replaced by #100109225

?
Manufacturer substitution
This part replaces 183583-000. Substitute parts can look different from the original.
$64.44
In Stock

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Why isn't my water heater heating my water?

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Why is there water in my water heater's drain pan?

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Why does my hot water smell like rotten eggs?

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Why isn't my water heater making enough hot water?

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

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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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Wiring schematic symbols explained video

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