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Gas Water Heater

Model # HN4940TCAN Official Maytag water heater

Here are the diagrams and repair parts for Official Maytag HN4940TCAN water heater, as well as links to manuals and error code tables, if available.

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Browse Parts forHN4940TCAN Water Heaters

  • Baffle, Flue - Series 10 9002649
    #16A

    Body diagram

    Baffle, flue - series 10

    Part #9002649

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

  • Dip Tube 66001030
    #15

    Body diagram

    Dip tube

    Part #66001030

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

  • Manual, Use & Care - Series 9 66001097
    #17B

    Body diagram

    Manual, use & care - series 9

    Part #66001097

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

  • Valve, Relief-5/8"shank - Series 10 66001079
    #1

    Body diagram

    Valve, relief-5/8"shank - series 10

    Part #66001079

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

  • Valve, Drain-5/8" Shank - Series 10 66001080
    #3

    Body diagram

    Valve, drain-5/8" shank - series 10

    Part #66001080

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

  • Tank, Expansion (2 Gal.) - Series 10 66001013
    #17A

    Body diagram

    Tank, expansion (2 gal.) - series 10

    Part #66001013

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

  • Burner Orifice - Series 10 0230141
    #9A

    Body diagram

    Burner orifice - series 10

    Part #0230141

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

  • Draft Hood 66001032
    #17

    Body diagram

    Draft hood

    Part #66001032

    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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