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Reliance 640CODS water heater

Reliance 640CODS water heater Parts

Here are the diagrams and repair parts for Reliance 640CODS water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for 640CODS Water Heaters

  • Vent Pipe for Reliance 640CODS - Part 9001274

    Venting diagram

    Vent Pipe

    Part #9001274

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

  • Vent Pipe for Reliance 640CODS - Part 9001275

    Venting diagram

    Vent Pipe

    Part #9001275

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

  • Vent Pipe for Reliance 640CODS - Part 9000713

    Vent Pipe

    Part #9000713

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

  • Cap Assembly for Reliance 640CODS - Part 9000725

    Venting diagram

    Cap Assembly

    Part #9000725

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

  • Door for Reliance 640CODS - Part 9000695

    Water heater diagram

    Door

    Part #9000695

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

  • Extension Nipple for Reliance 640CODS - Part 9000399

    Water heater diagram

    Extension Nipple

    Part #9000399

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

  • Thermostat Shield for Reliance 640CODS - Part 185424-000

    Water heater diagram

    Thermostat Shield

    Part #185424-000

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

  • Vent Collar for Reliance 640CODS - Part 9003168

    Venting diagram

    Vent Collar

    Part #9003168

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

  • Flue Pipe for Reliance 640CODS - Part 9001283

    Venting diagram

    Flue Pipe

    Part #9001283

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

  • Vent Cap Assembly for Reliance 640CODS - Part 9003165

    Venting diagram

    Vent Cap Assembly

    Part #9003165

    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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