AO Smith
Gas Water Heater

Model # GCVL40-200 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GCVL40-200 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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Model diagram and schematic

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Showing 10 of 23 parts  |

Water Heater Manifold Door Gasket 9006141015
#NI

Water heater diagram

Water heater manifold door gasket

Part #9006141015

$25.49
19% OFF Phone Price : $31.49
In Stock
Anode Mg 9003938005
#7B

Water heater diagram

Anode mg

Part #9003938005

In Stock
Water Heater Burner (replaces 100110929) 9006136005
#NI

Water heater diagram

Water heater burner (replaces 100110929)

Part #9006136005

$23.93
20% OFF Phone Price : $29.93
In Stock
Nipple 9003719015
#4

Water heater diagram

Nipple

Part #9003719015

Replaced by #100108381

?
Manufacturer substitution
This part replaces 9003719015. Substitute parts can look different from the original.
In Stock
Ring 9000275015
#2

Water heater diagram

Ring

Part #9000275015

Replaced by #100108369

?
Manufacturer substitution
This part replaces 9000275015. Substitute parts can look different from the original.
In Stock
Water Heater Drain Valve 9004330015
#9

Water heater diagram

Water heater drain valve

Part #9004330015

Replaced by #100263839

?
Manufacturer substitution
This part replaces 9004330015. Substitute parts can look different from the original.
In Stock
Water Heater Anode Rod (replaces 9003920) 9006299005
#6B

Water heater diagram

Water heater anode rod (replaces 9003920)

Part #9006299005

Replaced by #100111073

?
Manufacturer substitution
This part replaces 9006299005. Substitute parts can look different from the original.
In Stock
Water Heater Gas Valve And Temperature Control Assembly 9006655005
#10

Water heater diagram

Water heater gas valve and temperature control assembly

Part #9006655005

Replaced by #100111369

?
Manufacturer substitution
This part replaces 9006655005. Substitute parts can look different from the original.
In Stock
Water Heater Vent Draft Hood 9006647005
#1

Water heater diagram

Water heater vent draft hood

Part #9006647005

Replaced by #100111362

?
Manufacturer substitution
This part replaces 9006647005. Substitute parts can look different from the original.
In Stock
Kenmore Water Heater Burner Assembly 9006619005
#NI

Water heater diagram

Kenmore water heater burner assembly

Part #9006619005

Replaced by #100111335

?
Manufacturer substitution
This part replaces 9006619005. Substitute parts can look different from the original.
In Stock

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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

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

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

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

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

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

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

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.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

Find out what’s wrong with your appliance by following a circuit.…

Easy DIY water heater repairs

Easy DIY water heater repairs

Read about some water heater repairs that you can easily do yourself.…