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Maytag HM340NHDST gas water heater

Maytag HM340NHDST gas water heater Parts

Here are the diagrams and repair parts for Maytag HM340NHDST gas water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for HM340NHDST Water Heaters

  • Washer, Drai for Maytag HM340NHDST - Part 66001021

    Body diagram

    Washer, Drai

    Part #66001021

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

  • Kit, Roof Jack Vent (32") (non-illus) for Maytag HM340NHDST - Part 66001450

    Body diagram

    Kit, Roof Jack Vent (32") (non-illus)

    Part #66001450

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

  • Vent Cap for Maytag HM340NHDST - Part 66001447

    Body diagram

    Vent Cap

    Part #66001447

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

  • Drain Valve for Maytag HM340NHDST - Part 66001016

    Body diagram

    Drain Valve

    Part #66001016

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

  • Securing Clamp Assembly for Maytag HM340NHDST - Part 66001453

    Body diagram

    Securing Clamp Assembly

    Part #66001453

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

  • Drain Pan for Maytag HM340NHDST - Part 66001011

    Body diagram

    Drain Pan

    Part #66001011

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

  • Burner Orifice for Maytag HM340NHDST - Part 66001160

    Body diagram

    Burner Orifice

    Part #66001160

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

  • Natural Gas Pilot for Maytag HM340NHDST - Part 66001140

    Body diagram

    Natural Gas Pilot

    Part #66001140

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

  • Pilot (lp) for Maytag HM340NHDST - Part 66001194

    Body diagram

    Pilot (lp)

    Part #66001194

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

  • Kit, Roof Jack Vent (60") (non-illus) for Maytag HM340NHDST - Part 66001451

    Body diagram

    Kit, Roof Jack Vent (60") (non-illus)

    Part #66001451

    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: faulty pressure relief valve, water is overheating…

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

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

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

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

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.

Quiz: Are you abusing your appliances?

Quiz: Are you abusing your appliances?

Take our quiz to see how well you treat your appliances. Then, find out what you can do to help them last longer.…

Water heater common questions

Water heater common questions

These common questions and answers can help you make the most of your water heater.…

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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