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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.

Reliance 640CODS water heater
By Schematic
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Browse Parts for 640CODS Water Heaters

  • Water Heater Drain Valve for Reliance 640CODS - Part 100108269

    Water heater diagram

    Drain

    Part #9000058

    Replaced by #100108269

    Info Icon
    Manufacturer substitution
    This part replaces 9000058. Substitute parts can look different from the original.
    In Stock
    $28.07
    Minus Item
    Qty
    Plus Item
  • K,drain Pan for Reliance 640CODS - Part 100108931

    Venting diagram

    Drain Pan

    Part #9002769

    Replaced by #100108931

    Info Icon
    Manufacturer substitution
    This part replaces 9002769. Substitute parts can look different from the original.
    In Stock
    $112.70
    Minus Item
    Qty
    Plus Item
  • Water Heater Igniter for Reliance 640CODS - Part 100109221

    Water heater diagram

    Water Heater Igniter

    Part #9003410

    Replaced by #100109221

    Info Icon
    Manufacturer substitution
    This part replaces 9003410. Substitute parts can look different from the original.
    In Stock
    $37.63
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    Qty
    Plus Item
  • Water Heater Anode Rod for Reliance 640CODS - Part 100300397

    Venting diagram

    Anode Rod

    Part #9000705

    Replaced by #100300397

    Info Icon
    Manufacturer substitution
    This part replaces 9000705. Substitute parts can look different from the original.
    In Stock
    $100.95
    11% OFF Phone Price : $112.95Info Icon
    Minus Item
    Qty
    Plus Item
  • Burner Orifice Lp.ha/ Lht for Reliance 640CODS - Part 9002129

    Water heater diagram

    Burner Orifice Lp.ha/ Lht

    Part #9002129

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

  • Insulation Kit for Reliance 640CODS - Part 183256-000

    Water heater diagram

    Insulation Kit

    Part #183256-000

    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

  • 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

  • State Flue Baffle for Reliance 640CODS - Part 9000709

    Water heater diagram

    State Flue Baffle

    Part #9000709

    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

Most common symptoms to help you fix your water heaters

Choose a symptom to see related water heater repairs.

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Why is my water heater's pressure relief valve dripping water?

Main causes: faulty pressure relief valve, water is overheating…

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Why isn't my water heater making the water hot enough?

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

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Why isn't my water heater making enough hot water?

Main causes: broken heating element, thermostat failure, excessive tank sediment, tank size too small, burner valve asse…

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Why is my water heater making the water too hot?

Main causes: thermostat temperature set too high, thermostats need adjustment, faulty thermostat, shorted heating elemen…

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Why is there water in my water heater's drain pan?

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

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Why isn't my water heater heating my water?

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

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Why does my hot water smell like rotten eggs?

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

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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.

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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.…

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Water heater common questions

Water heater common questions

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

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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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