State
Gas Water Heater

Model # GS665HRRT100 Official State water heater

Here are the diagrams and repair parts for Official State GS665HRRT100 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 31 parts  |

Water Heater Igniter (replaces 183798, 183798-000) 9003410
#18

Water heater diagram

Water heater igniter (replaces 183798, 183798-000)

Part #9003410

BEST SELLER
$18.11
10% OFF Phone Price : $20.11
In Stock
Water Heater Temperature And Pressure Relief Valve 9000071
#23

Water heater diagram

Water heater temperature and pressure relief valve

Part #9000071

Replaced by #9000071015

?
Manufacturer substitution
This part replaces 9000071. Substitute parts can look different from the original.
BEST SELLER
$16.01
11% OFF Phone Price : $18.01
In Stock
Water Heater Pilot Assembly (replaces 183824-190, 9003530) 9003542
#19

Water heater diagram

Water heater pilot assembly (replaces 183824-190, 9003530)

Part #9003542

BEST SELLER
$70.83
7% OFF Phone Price : $75.83
In Stock
Shield 9003696
#24

Water heater diagram

Shield

Part #9003696

In Stock
Water Heater Inspection Port (replaces 183568-000, 183569-001, 183570-000, 21253, 9003414005) 9003414
#25

Water heater diagram

Water heater inspection port (replaces 183568-000, 183569-001, 183570-000, 21253, 9003414005)

Part #9003414

$17.79
10% OFF Phone Price : $19.79
In Stock
Outer Door 9003545
#17

Water heater diagram

Outer door

Part #9003545

In Stock
Water Heater Air Intake Screen (replaces 183159, 183159-000, 9003983) 9003406
#1

Water heater diagram

Water heater air intake screen (replaces 183159, 183159-000, 9003983)

Part #9003406

This item is not returnable
$17.66
10% OFF Phone Price : $19.66
In Stock
Restrictor 9003524
#10

Water heater diagram

Restrictor

Part #9003524

In Stock
Drain Pan 23912-A
#26

Water heater diagram

Drain pan

Part #23912-A

Replaced by #9000741005

?
Manufacturer substitution
This part replaces 23912-A. Substitute parts can look different from the original.
In Stock
Drain Pan 23913-A
#26A

Water heater diagram

Drain pan

Part #23913-A

Replaced by #9001609

?
Manufacturer substitution
This part replaces 23913-A. Substitute parts can look different from the original.
In Stock

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

Main causes: thermostats need adjustment, water heater capacity too low, bad heating element, thermostat failure, excess…

Main causes: loose water pipe fittings, leaky drain valve, bad temperature-pressure relief valve, leaky heating element,…

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

Main causes: lack of power, no gas supply, thermostat limit switch tripped, bad element, bad thermostat, gas valve failu…

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…

Effective articles & videos to help repair your water heaters

Use the advice and tips in these articles and videos to get the most out of your water heater.

Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

Find out what’s wrong with your appliance by following a circuit.…

Easy DIY water heater repairs

Easy DIY water heater repairs

Read about some water heater repairs that you can easily do yourself.…