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AO Smith
Gas Water Heater

Model # GDVH75 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GDVH75 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 57 parts  |
Extension Pipe 9000713
#25

Vent kit diagram

Extension pipe

Part #9000713

$8.49
In Stock
Extension Pipe 9001275
#33

Vent kit diagram

Extension pipe

Part #9001275

Replaced by #9001275005

?
Manufacturer substitution
This part replaces 9001275. Substitute parts can look different from the original.
This item is not returnable
$6.49
In Stock
Clips-pk8 9001305
#13

Vent kit diagram

Clips-pk8

Part #9001305

Replaced by #9001305010

?
Manufacturer substitution
This part replaces 9001305. Substitute parts can look different from the original.
This item is not returnable
$3.99
In Stock
Door Gasket 9000696
#3

Water heater diagram

Door gasket

Part #9000696

Replaced by #9000696005

?
Manufacturer substitution
This part replaces 9000696. Substitute parts can look different from the original.
$57.99
In Stock
Extension Pipe 9001280
#26

Vent kit diagram

Extension pipe

Part #9001280

Replaced by #9001280005

?
Manufacturer substitution
This part replaces 9001280. Substitute parts can look different from the original.
$34.49
In Stock
Gas Valve 9000249
#6

Water heater diagram

Gas valve

Part #9000249

Replaced by #100108354

?
Manufacturer substitution
This part replaces 9000249. Substitute parts can look different from the original.
$235.45
In Stock
Vent Pipe 9001278
#35

Vent kit diagram

Vent pipe

Part #9001278

Replaced by #9001278005

?
Manufacturer substitution
This part replaces 9001278. Substitute parts can look different from the original.
$32.99
In Stock
Shield 185424-000
#61

Water heater diagram

Shield

Part #185424-000

Replaced by #9005693005

?
Manufacturer substitution
This part replaces 185424-000. Substitute parts can look different from the original.
$45.99
In Stock
Flue Pipe 9001283
#29

Vent kit diagram

Flue pipe

Part #9001283

Replaced by #9001283005

?
Manufacturer substitution
This part replaces 9001283. Substitute parts can look different from the original.
$30.99
In Stock
Extension Pipe 9001281
#32

Vent kit diagram

Extension pipe

Part #9001281

Replaced by #9001281005

?
Manufacturer substitution
This part replaces 9001281. Substitute parts can look different from the original.
$39.49
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?

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

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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 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

Wiring schematic symbols explained video

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Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

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Easy DIY water heater repairs

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