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AO Smith
Gas Water Heater

Model # GCVT50 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GCVT50 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:

  • Click a diagram to see the parts shown on that diagram.
  • 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
Inlet Tube 183776-036
#13

Water heater diagram

Inlet tube

Part #183776-036

Replaced by #100108853

?
Manufacturer substitution
This part replaces 183776-036. Substitute parts can look different from the original.
$30.00
In Stock
Insulation 181639-003
#NI

Water heater diagram

Insulation

Part #181639-003

Replaced by #9003971005

?
Manufacturer substitution
This part replaces 181639-003. Substitute parts can look different from the original.
$21.99
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
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 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
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

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
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

Most common symptoms to help you fix your water heaters

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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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