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State
Gas Water Heater

Model # GS640HOCT201 Official State water heater

Here are the diagrams and repair parts for Official State GS640HOCT201 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:

  • Click a diagram to see the parts shown on that diagram.
  • 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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Showing 10 of 21 parts  |
Water Heater Thermocouple (replaces 194621, 6900725, 9000056, 9002322) 9000056015
#NI

Water heater diagram

Water heater thermocouple (replaces 194621, 6900725, 9000056, 9002322)

Part #9000056015

BEST SELLER
$17.72 | 
10% OFF Phone Price : $19.72
In Stock
Water Heater Manifold Door Gasket 9006141015
#NI

Water heater diagram

Water heater manifold door gasket

Part #9006141015

$25.49 | 
19% OFF Phone Price : $31.49
In Stock
Water Heater Burner (replaces 100111320) 9006603005
#NI

Water heater diagram

Water heater burner (replaces 100111320)

Part #9006603005

$48.83
In Stock
Nipple 9003719015
#4

Water heater diagram

Nipple

Part #9003719015

Replaced by #100108381

?
Manufacturer substitution
This part replaces 9003719015. Substitute parts can look different from the original.
$22.86
In Stock
Water Heater Burner Assembly 9006618005
#NI

Water heater diagram

Water heater burner assembly

Part #9006618005

Replaced by #100111334

?
Manufacturer substitution
This part replaces 9006618005. Substitute parts can look different from the original.
$222.73
In Stock
Ring 9000275015
#2

Water heater diagram

Ring

Part #9000275015

Replaced by #100108369

?
Manufacturer substitution
This part replaces 9000275015. Substitute parts can look different from the original.
$27.78
In Stock
Water Heater Pilot Burner And Igniter 9006667015
#NI

Water heater diagram

Water heater pilot burner and igniter

Part #9006667015

Replaced by #100111381

?
Manufacturer substitution
This part replaces 9006667015. Substitute parts can look different from the original.
$61.11
In Stock
Water Heater Temperature And Pressure Relief Valve (replaces 9007483005) 9000728015
#8

Water heater diagram

Water heater temperature and pressure relief valve (replaces 9007483005)

Part #9000728015

Replaced by #100108455

?
Manufacturer substitution
This part replaces 9000728015. Substitute parts can look different from the original.
$35.56
In Stock
Water Heater Anode Rod (replaces 9003920) 9006299005
#6A

Water heater diagram

Water heater anode rod (replaces 9003920)

Part #9006299005

Replaced by #100111073

?
Manufacturer substitution
This part replaces 9006299005. Substitute parts can look different from the original.
$44.44
In Stock
Water Heater Vent Draft Hood 9006647005
#1

Water heater diagram

Water heater vent draft hood

Part #9006647005

Replaced by #100111362

?
Manufacturer substitution
This part replaces 9006647005. Substitute parts can look different from the original.
$34.44
In Stock

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