AO Smith
Gas Water Heater

Model # GCV40-200 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GCV40-200 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 22 parts  |

Water Heater Manifold Door And Burner Assembly 9006620005
#NI

Water heater diagram

Water heater manifold door and burner assembly

Part #9006620005

BEST SELLER
$96.85
9% OFF Phone Price : $106.85
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

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$120.36
8% OFF Phone Price : $130.36
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Water Heater Burner Access Door 9006648005
#11

Water heater diagram

Water heater burner access door

Part #9006648005

This item is not returnable
$18.85
10% OFF Phone Price : $20.85
In Stock
Water Heater Manifold Door Gasket 9006141015
#NI

Water heater diagram

Water heater manifold door gasket

Part #9006141015

$25.49
16% OFF Phone Price : $30.49
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Water Heater Burner (replaces 100110929) 9006136005
#NI

Water heater diagram

Water heater burner (replaces 100110929)

Part #9006136005

$23.93
17% OFF Phone Price : $28.93
In Stock
Water Heater Piezo Igniter Generator With Bracket 9003410015
#NI

Water heater diagram

Water heater piezo igniter generator with bracket

Part #9003410015

$17.36
10% OFF Phone Price : $19.36
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Water Heater Vent Draft Hood 9006647005
#1

Water heater diagram

Water heater vent draft hood

Part #9006647005

This item is not returnable
$18.79
10% OFF Phone Price : $20.79
In Stock
Water Heater Manifold Wire Connector 9006449015
#NI

Water heater diagram

Water heater manifold wire connector

Part #9006449015

In Stock
Anode Mg 9003938005
#7A

Water heater diagram

Anode mg

Part #9003938005

In Stock
Water Heater Magnesium Anode Rod 9001829005
#6A

Water heater diagram

Water heater magnesium anode rod

Part #9001829005

In Stock

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

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…

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Wiring schematic symbols explained video

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