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AO Smith
Gas Water Heater

Model # GPCR40100 Official AO Smith water heater

Here are the diagrams and repair parts for Official AO Smith GPCR40100 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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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 45 parts  |
Access Parts 183509-002
#23

Water heater diagram

Access parts

Part #183509-002

$54.49
In Stock
Restrictor 184501-000
#28

Water heater diagram

Restrictor

Part #184501-000

This item is not returnable
$2.16
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
Restrictor 184502-000
#29

Water heater diagram

Restrictor

Part #184502-000

$10.99
In Stock
Hex Nut 183717
#14

Water heater diagram

Hex nut

Part #183717

Replaced by #184746-000

?
Manufacturer substitution
This part replaces 183717. Substitute parts can look different from the original.
$11.99
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
Baffle 181360-2
#3

Water heater diagram

Baffle

Part #181360-2

Replaced by #9004362115

?
Manufacturer substitution
This part replaces 181360-2. Substitute parts can look different from the original.
$18.99
In Stock
Hose Clamp 183545-1
#11

Water heater diagram

Hose clamp

Part #183545-1

Replaced by #9004462115

?
Manufacturer substitution
This part replaces 183545-1. Substitute parts can look different from the original.
This item is not returnable
$3.99
In Stock
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
Limit Switch 183380-2
#7

Water heater diagram

Limit switch

Part #183380-2

Replaced by #9004661115

?
Manufacturer substitution
This part replaces 183380-2. Substitute parts can look different from the original.
$105.49
In Stock

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