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Thermar PM1000 tankless water heater

Thermar PM1000 tankless water heater Parts

Here are the diagrams and repair parts for Thermar PM1000 tankless water heater, as well as links to manuals and error code tables, if available.

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Browse Parts for PM1000 Water Heaters

  • O-ring for Thermar PM1000 - Part 239-37355-00

    Replacement parts diagram

    O-ring

    Part #239-37355-00

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

  • Flange for Thermar PM1000 - Part 239-37347-00

    Replacement parts diagram

    Flange

    Part #239-37347-00

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

  • Louver Assembly for Thermar PM1000 - Part 239-37330-00

    Replacement parts diagram

    Louver Assembly

    Part #239-37330-00

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

  • Thermostat Knob for Thermar PM1000 - Part 239-37335-00

    #NI

    All parts diagram

    Thermostat Knob

    Part #239-37335-00

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

  • Sensing Tube for Thermar PM1000 - Part 239-37331-00

    Replacement parts diagram

    Sensing Tube

    Part #239-37331-00

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

  • Valve Body for Thermar PM1000 - Part 239-37381-00

    Replacement parts diagram

    Valve Body

    Part #239-37381-00

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

  • Pilot Assembly for Thermar PM1000 - Part 239-37379-00

    Replacement parts diagram

    Pilot Assembly

    Part #239-37379-00

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

  • Valve for Thermar PM1000 - Part 239-37341-00

    Replacement parts diagram

    Valve

    Part #239-37341-00

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

  • Sensing Tube for Thermar PM1000 - Part 239-37332-00

    Replacement parts diagram

    Sensing Tube

    Part #239-37332-00

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

  • Connection for Thermar PM1000 - Part 239-37346-00

    Replacement parts diagram

    Connection

    Part #239-37346-00

    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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