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AO Smith GPDH40100 water heater

AO Smith GPDH40100 water heater Parts

Here are the diagrams and repair parts for AO Smith GPDH40100 water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for GPDH40100 Water Heaters

  • Blower for AO Smith GPDH40100 - Part 0012400400

    Water heater diagram

    Blower

    Part #0012400400

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

  • Gasket for AO Smith GPDH40100 - Part 0005300810

    Water heater diagram

    Gasket

    Part #0005300810

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

  • Ignition for AO Smith GPDH40100 - Part 184047-000

    Water heater diagram

    Ignition

    Part #184047-000

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

  • Door for AO Smith GPDH40100 - Part 0015123500

    Water heater diagram

    Door

    Part #0015123500

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

  • Adapter for AO Smith GPDH40100 - Part 196055-000

    Water heater diagram

    Adapter

    Part #196055-000

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

  • Temperature Valve for AO Smith GPDH40100 - Part 043151-000

    Water heater diagram

    Temperature Valve

    Part #043151-000

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

  • Thermostat for AO Smith GPDH40100 - Part 184768-004

    Water heater diagram

    Thermostat

    Part #184768-004

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

  • Burner Orifice-prop Gas for AO Smith GPDH40100 - Part 181791-051

    Water heater diagram

    Burner Orifice-prop Gas

    Part #181791-051

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

  • Bracket for AO Smith GPDH40100 - Part 185264-000

    Water heater diagram

    Bracket

    Part #185264-000

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

  • Natural Gas Orifice for AO Smith GPDH40100 - Part 181507-033

    Water heater diagram

    Natural Gas Orifice

    Part #181507-033

    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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