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Gas Water Heater

Model # HJ640PBPDTCGA Official Maytag gas water heater

Here are the diagrams and repair parts for Official Maytag HJ640PBPDTCGA gas water heater, as well as links to manuals and error code tables, if available.

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Browse Parts forHJ640PBPDTCGA Water Heaters

  • Anode Rod 66001157
    #29

    Body diagram

    Anode rod

    Part #66001157

    In Stock
  • Air Switch 66001332
    #12A

    Body diagram

    Air switch

    Part #66001332

    In Stock
  • Stand, Water 66001243
    #30

    Body diagram

    Stand, water

    Part #66001243

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

  • Wiring Harness 66001526
    #26

    Body diagram

    Wiring harness

    Part #66001526

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

  • Burner 66001027
    #23

    Body diagram

    Burner

    Part #66001027

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

  • On O Switch 66001247
    #13

    Body diagram

    On o switch

    Part #66001247

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

  • Dip Tube 66001671
    #28A

    Body diagram

    Dip tube

    Part #66001671

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

  • Washer, Drai 66001021
    #20A

    Body diagram

    Washer, drai

    Part #66001021

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

  • Inner Door 66001029
    #21

    Body diagram

    Inner door

    Part #66001029

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

  • Ve Terminal 66001255
    #1

    Body diagram

    Ve terminal

    Part #66001255

    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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