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Gas Water Heater

Model # GS640YOCT Official State water heater

Here are the diagrams and repair parts for Official State GS640YOCT water heater, as well as links to manuals and error code tables, if available.

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Browse Parts forGS640YOCT Water Heaters

  • Igniter Assembly 183798-000
    #18

    Water heater diagram

    Igniter assembly

    Part #183798-000

    Replaced by #9003410

    ?
    Manufacturer substitution
    This part replaces 183798-000. Substitute parts can look different from the original.
    $18.60
    10% OFF Phone Price : $20.60
    In Stock
  • Outer Door 183458-000
    #17

    Water heater diagram

    Outer door

    Part #183458-000

    Replaced by #100109299

    ?
    Manufacturer substitution
    This part replaces 183458-000. Substitute parts can look different from the original.
    In Stock
  • Screen 183159-000
    #1

    Water heater diagram

    Screen

    Part #183159-000

    Replaced by #100109216

    ?
    Manufacturer substitution
    This part replaces 183159-000. 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 #100108616

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

    Water heater diagram

    Drain pan

    Part #23912-A

    Replaced by #100108459

    ?
    Manufacturer substitution
    This part replaces 23912-A. Substitute parts can look different from the original.
    In Stock
  • Restrictor 034894-000
    #10

    Water heater diagram

    Restrictor

    Part #034894-000

    Replaced by #100110078

    ?
    Manufacturer substitution
    This part replaces 034894-000. Substitute parts can look different from the original.
    In Stock
  • Inlet Tube 183776-033
    #13

    Water heater diagram

    Inlet tube

    Part #183776-033

    Replaced by #100109239

    ?
    Manufacturer substitution
    This part replaces 183776-033. Substitute parts can look different from the original.
    In Stock
  • 2-way 183523-026
    #2

    Water heater diagram

    2-way

    Part #183523-026

    Replaced by #100109624

    ?
    Manufacturer substitution
    This part replaces 183523-026. Substitute parts can look different from the original.
    $51.64
    10% OFF Phone Price : $57.64
    In Stock
  • Gasket 183162-000
    #14

    Water heater diagram

    Gasket

    Part #183162-000

    Replaced by #100109214

    ?
    Manufacturer substitution
    This part replaces 183162-000. Substitute parts can look different from the original.
    In Stock
  • Nipple 184792-003
    #12

    Water heater diagram

    Nipple

    Part #184792-003

    The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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

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: 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.…

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