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AO Smith
Gas Water Heater

Model # GVR40 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GVR40 water heater, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 34 parts  |
Control Valve 182791-005
#11

Water heater diagram

Control valve

Part #182791-005

Replaced by #9003638005

?
Manufacturer substitution
This part replaces 182791-005. Substitute parts can look different from the original.
$144.40 | 
8% OFF Phone Price : $156.40
In Stock
Burner Head 182730-000
#4A

Water heater diagram

Burner head

Part #182730-000

Replaced by #100109226

?
Manufacturer substitution
This part replaces 182730-000. Substitute parts can look different from the original.
$44.44
In Stock
Drain Pan 23914-A
#26B

Water heater diagram

Drain pan

Part #23914-A

Replaced by #100108615

?
Manufacturer substitution
This part replaces 23914-A. Substitute parts can look different from the original.
$92.22
In Stock
Natural Gas Orifice 181508-033
#5

Water heater diagram

Natural gas orifice

Part #181508-033

Replaced by #100109266

?
Manufacturer substitution
This part replaces 181508-033. Substitute parts can look different from the original.
$28.89
In Stock
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
Shield 191259-001
#24

Water heater diagram

Shield

Part #191259-001

Replaced by #9003696005

?
Manufacturer substitution
This part replaces 191259-001. Substitute parts can look different from the original.
$77.79 | 
7% OFF Phone Price : $83.79
In Stock
Anode Rod 183523-026
#2

Water heater diagram

Anode rod

Part #183523-026

Replaced by #100109624

?
Manufacturer substitution
This part replaces 183523-026. Substitute parts can look different from the original.
$31.11
In Stock
Restrictor 034894-000
#10

Water heater diagram

Restrictor

Part #034894-000

Replaced by #100110078

?
Manufacturer substitution
This part replaces 034894-000. Substitute parts can look different from the original.
$27.78
In Stock
Insulation 181639-003
#NO

Water heater diagram

Insulation

Part #181639-003

Replaced by #9003971005

?
Manufacturer substitution
This part replaces 181639-003. Substitute parts can look different from the original.
$21.99
In Stock
Outer Door 183458-000
#17

Water heater diagram

Outer door

Part #183458-000

Replaced by #100109299

?
Manufacturer substitution
This part replaces 183458-000. Substitute parts can look different from the original.
$35.56
In Stock

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