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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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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 184502-000
#29

Water heater diagram

Restrictor

Part #184502-000

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

Water heater diagram

Water heater owner's manual

Part #184674-001

$8.49
In Stock
Igniter Assembly 184047
#17

Water heater diagram

Igniter assembly

Part #184047

Replaced by #100109355

?
Manufacturer substitution
This part replaces 184047. Substitute parts can look different from the original.
$160.00
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

?
Manufacturer substitution
This part replaces 185135-000. Substitute parts can look different from the original.
$105.56
In Stock
Anode 183523-29
#1

Water heater diagram

Anode

Part #183523-29

Replaced by #100109624

?
Manufacturer substitution
This part replaces 183523-29. Substitute parts can look different from the original.
$31.11
In Stock
Wiring Harness 183506-1
#44

Water heater diagram

Wiring harness

Part #183506-1

Replaced by #9006022015

?
Manufacturer substitution
This part replaces 183506-1. Substitute parts can look different from the original.
$40.60
In Stock
Wall Plate 181557
#25

Water heater diagram

Wall plate

Part #181557

Replaced by #9004364105

?
Manufacturer substitution
This part replaces 181557. Substitute parts can look different from the original.
$10.99
In Stock

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