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AO Smith
Gas Water Heater

Model # GCV50 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GCV50 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 35 parts  |
Burner 183222-000
#3

Water heater diagram

Burner

Part #183222-000

Replaced by #9003382005

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Manufacturer substitution
This part replaces 183222-000. Substitute parts can look different from the original.
BEST SELLER
$90.31 | 
6% OFF Phone Price : $96.31
In Stock
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
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
Pilot Assembly 183824-162
#19A

Water heater diagram

Pilot assembly

Part #183824-162

Replaced by #100109294

?
Manufacturer substitution
This part replaces 183824-162. Substitute parts can look different from the original.
$142.00
In Stock
Burner Tube 184823-001
#6

Water heater diagram

Burner tube

Part #184823-001

Replaced by #9004271005

?
Manufacturer substitution
This part replaces 184823-001. Substitute parts can look different from the original.
$28.49
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
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
Shield 191259-001
#24

Water heater diagram

Shield

Part #191259-001

Replaced by #9003696005

?
Manufacturer substitution
This part replaces 191259-001. Substitute parts can look different from the original.
$77.79 | 
7% OFF Phone Price : $83.79
In Stock
Burner Head 182730-000
#4A

Water heater diagram

Burner head

Part #182730-000

Replaced by #100109226

?
Manufacturer substitution
This part replaces 182730-000. Substitute parts can look different from the original.
$44.44
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

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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Why isn't my water heater heating my water?

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

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

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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?

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

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

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

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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.

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Wiring schematic symbols explained video

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Using a wiring schematic to trace a current video

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Easy DIY water heater repairs

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