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AO Smith XCVT40 water heater

AO Smith XCVT40 water heater Parts

Here are the diagrams and repair parts for AO Smith XCVT40 water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for XCVT40 Water Heaters

  • Water Heater Vent Draft Hood for AO Smith XCVT40 - Part 100108368

    Water heater diagram

    Draft Hood

    Part #183853-000

    Replaced by #100108368

    Info Icon
    Manufacturer substitution
    This part replaces 183853-000. Substitute parts can look different from the original.
    In Stock
    $64.56
    Minus Item
    Qty
    Plus Item
  • Water Heater Igniter for AO Smith XCVT40 - Part 100109221

    Water heater diagram

    Igniter Assembly

    Part #183798-000

    Replaced by #100109221

    Info Icon
    Manufacturer substitution
    This part replaces 183798-000. Substitute parts can look different from the original.
    In Stock
    $37.63
    Minus Item
    Qty
    Plus Item
  • Orifice for AO Smith XCVT40 - Part 181791-046

    Water heater diagram

    Orifice

    Part #181791-046

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

  • Drain Valve for AO Smith XCVT40 - Part 026273-007

    Water heater diagram

    Drain Valve

    Part #026273-007

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

  • Flue Baffle for AO Smith XCVT40 - Part 183582-000

    Water heater diagram

    Flue Baffle

    Part #183582-000

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

  • Burner for AO Smith XCVT40 - Part 183222-007

    Water heater diagram

    Burner

    Part #183222-007

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

  • Temperature Valve for AO Smith XCVT40 - Part 043151-000

    Water heater diagram

    Temperature Valve

    Part #043151-000

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

  • Burner Tube for AO Smith XCVT40 - Part 183163-002

    Water heater diagram

    Burner Tube

    Part #183163-002

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

  • View Port for AO Smith XCVT40 - Part 184470-000

    Water heater diagram

    View Port

    Part #184470-000

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

  • Control Valve for AO Smith XCVT40 - Part 182792-001

    Water heater diagram

    Control Valve

    Part #182792-001

    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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