State
Gas Water Heater

Model # GS640YOCT200 Official State water heater

Here are the diagrams and repair parts for Official State GS640YOCT200 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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Model diagram and schematic

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Showing 10 of 21 parts  |

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 100110929) 9006136005
#NI

Water heater diagram

Water heater burner (replaces 100110929)

Part #9006136005

$23.93
20% OFF Phone Price : $29.93
In Stock
Water Heater Inlet Tube Gasket 9002277015
#NI

Water heater diagram

Water heater inlet tube gasket

Part #9002277015

Replaced by #100108744

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Manufacturer substitution
This part replaces 9002277015. Substitute parts can look different from the original.
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.
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.
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.
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.
In Stock
Filter 9006616005
#NI

Water heater diagram

Filter

Part #9006616005

Replaced by #100111332

?
Manufacturer substitution
This part replaces 9006616005. Substitute parts can look different from the original.
In Stock
Inlet Tube 9006690005
#5

Water heater diagram

Inlet tube

Part #9006690005

Replaced by #100111401

?
Manufacturer substitution
This part replaces 9006690005. Substitute parts can look different from the original.
In Stock
Water Heater Thermocouple (replaces 194621, 6900725, 9000056, 9002322) 9000056015
#NI

Water heater diagram

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

Part #9000056015

Replaced by #100108267

?
Manufacturer substitution
This part replaces 9000056015. Substitute parts can look different from the original.
In Stock

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Main causes: water supply needs chlorine treatment, anode rod too reactive…

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

Main causes: faulty pressure relief valve, water is overheating…

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