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AO Smith
Gas Water Heater

Model # GPCR50100 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GPCR50100 water heater, as well as links to manuals and error code tables, if available.

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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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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 45 parts  |
Restrictor 184501-000
#28

Water heater diagram

Restrictor

Part #184501-000

This item is not returnable
$2.16
In Stock
Access Parts 183509-002
#23

Water heater diagram

Access parts

Part #183509-002

$54.49
In Stock
Restrictor 184502-000
#29

Water heater diagram

Restrictor

Part #184502-000

$10.99
In Stock
Water Heater Owner's Manual 184674-001
#NI

Water heater diagram

Water heater owner's manual

Part #184674-001

$8.49
In Stock
Drain Valve 42037
#42

Water heater diagram

Drain valve

Part #42037

The manufacturer no longer makes this part, and there's no substitute part

Switch 185135-000
#8

Water heater diagram

Switch

Part #185135-000

Replaced by #100110013

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Manufacturer substitution
This part replaces 185135-000. Substitute parts can look different from the original.
$105.56
In Stock
Gas Valve 183760-2
#20

Water heater diagram

Gas valve

Part #183760-2

Replaced by #100109740

?
Manufacturer substitution
This part replaces 183760-2. Substitute parts can look different from the original.
$400.00
In Stock
Igniter 183630
#16

Water heater diagram

Igniter

Part #183630

Replaced by #100109355

?
Manufacturer substitution
This part replaces 183630. Substitute parts can look different from the original.
$160.00
In Stock
Label 182734
#NI

Water heater diagram

Label

Part #182734

Replaced by #182734-000

?
Manufacturer substitution
This part replaces 182734. Substitute parts can look different from the original.
$13.99
In Stock
Nox Screen 183619
#15

Water heater diagram

Nox screen

Part #183619

Replaced by #100111088

?
Manufacturer substitution
This part replaces 183619. Substitute parts can look different from the original.
$55.56
In Stock

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