AO Smith
Gas Water Heater

Model # GVR40-201 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GVR40-201 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 Thermocouple (replaces 194621, 6900725, 9000056, 9002322) 9000056015
#NI

Water heater diagram

Water heater thermocouple (replaces 194621, 6900725, 9000056, 9002322)

Part #9000056015

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Water Heater Anode Rod (replaces 183523-033, 183523-036, 183523-039, 183523-042, 183523-33, 183523-36, 183523-48, 4700276, 9003889, 9003892, 9004092, 9004335005) 9003892005
#6

Water heater diagram

Water heater anode rod (replaces 183523-033, 183523-036, 183523-039, 183523-042, 183523-33, 183523-36, 183523-48, 4700276, 9003889, 9003892, 9004092, 9004335005)

Part #9003892005

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Water Heater Burner Assembly 9006618005
#NI

Water heater diagram

Water heater burner assembly

Part #9006618005

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Water Heater Temperature And Pressure Relief Valve (replaces 9007483005) 9000728015
#8

Water heater diagram

Water heater temperature and pressure relief valve (replaces 9007483005)

Part #9000728015

Replaced by #9002403015

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Manufacturer substitution
This part replaces 9000728015. Substitute parts can look different from the original.
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Water Heater Manifold Door Gasket 9006141015
#NI

Water heater diagram

Water heater manifold door gasket

Part #9006141015

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Water Heater Magnesium Anode Rod 9001829005
#6A

Water heater diagram

Water heater magnesium anode rod

Part #9001829005

In Stock
Water Heater Pilot Burner And Igniter 9006667015
#NI

Water heater diagram

Water heater pilot burner and igniter

Part #9006667015

This item is not returnable
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Ring 9000275015
#2

Water heater diagram

Ring

Part #9000275015

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Water Heater Manifold Wire Connector 9006449015
#NI

Water heater diagram

Water heater manifold wire connector

Part #9006449015

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Water Heater Anode Rod (replaces 9003920) 9006299005
#6B

Water heater diagram

Water heater anode rod (replaces 9003920)

Part #9006299005

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Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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: 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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Easy DIY water heater repairs

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