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AO Smith
Gas Water Heater

Model # GCVL30 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GCVL30 water heater, as well as links to manuals and error code tables, if available.

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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 12 parts  |
Orifice 181791-050
#5A

Water heater diagram

Orifice

Part #181791-050

Replaced by #100109268

?
Manufacturer substitution
This part replaces 181791-050. Substitute parts can look different from the original.
$31.11
In Stock
Anode Rod 183523-019
#2

Water heater diagram

Anode rod

Part #183523-019

Replaced by #100109624

?
Manufacturer substitution
This part replaces 183523-019. Substitute parts can look different from the original.
$31.11
In Stock
Burner Head 183325-000
#4A

Water heater diagram

Burner head

Part #183325-000

Replaced by #9003631005

?
Manufacturer substitution
This part replaces 183325-000. Substitute parts can look different from the original.
$46.79 | 
11% OFF Phone Price : $52.79
In Stock
Burner 183222-011
#3A

Water heater diagram

Burner

Part #183222-011

Replaced by #9003553005

?
Manufacturer substitution
This part replaces 183222-011. Substitute parts can look different from the original.
$142.99
In Stock
Flue Baffle 183618-000
#9

Water heater diagram

Flue baffle

Part #183618-000

The manufacturer no longer makes this part, and there's no substitute part

View Port 184470-000
#25

Water heater diagram

View port

Part #184470-000

The manufacturer no longer makes this part, and there's no substitute part

Draft Hood 183852-000
#7

Water heater diagram

Draft hood

Part #183852-000

The manufacturer no longer makes this part, and there's no substitute part

2nd Anode 184634-129
#21

Water heater diagram

2nd anode

Part #184634-129

The manufacturer no longer makes this part, and there's no substitute part

Door 183425-001
#15

Water heater diagram

Door

Part #183425-001

The manufacturer no longer makes this part, and there's no substitute part

Owner's Manual 184165-002
#NI

Water heater diagram

Owner's manual

Part #184165-002

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.

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

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

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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's pressure relief valve dripping water?

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

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

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

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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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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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How to read a wiring schematic video

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