Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
Thermar PM1000LP tankless water heater

Thermar PM1000LP tankless water heater Parts

Here are the diagrams and repair parts for Thermar PM1000LP tankless water heater, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for PM1000LP Water Heaters

  • Burner Orifice for Thermar PM1000LP - Part 239-37376-00

    Replacement parts diagram

    Burner Orifice

    Part #239-37376-00

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

  • Drfthd Assy for Thermar PM1000LP - Part 239-37374-00

    Replacement parts diagram

    Drfthd Assy

    Part #239-37374-00

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

  • Diagram for Thermar PM1000LP - Part 239-37316-00

    Replacement parts diagram

    Diagram

    Part #239-37316-00

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

  • Eco Assy for Thermar PM1000LP - Part 239-37317-00

    Replacement parts diagram

    Eco Assy

    Part #239-37317-00

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

  • Valve Assembly for Thermar PM1000LP - Part 239-37345-00

    Replacement parts diagram

    Valve Assembly

    Part #239-37345-00

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

  • Sensing Tube for Thermar PM1000LP - 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

  • Valve for Thermar PM1000LP - Part 239-37340-00

    Replacement parts diagram

    Valve

    Part #239-37340-00

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

  • Ig Button for Thermar PM1000LP - Part 239-37334-00

    Replacement parts diagram

    Ig Button

    Part #239-37334-00

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

  • Louver Assembly for Thermar PM1000LP - 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

  • Housing Assembly for Thermar PM1000LP - Part 239-37320-00

    Replacement parts diagram

    Housing Assembly

    Part #239-37320-00

    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.

How to clean a water heater thermocouple

How to clean a water heater thermocouple

If your pilot light keeps going out, a dirty thermocouple might be the culprit. Here’s how to clean it yourself to keep …

Using a wiring schematic to trace a current video

Using a wiring schematic to trace a current video

Find out what’s wrong with your appliance by following a circuit.…

Cleaning your appliances after a drinking water advisory

Cleaning your appliances after a drinking water advisory

Find out how to clean and flush household appliances once a boil water advisory is lifted.…

Parts & More

Bottom-Mount Refrigerator
Dehumidifier
Dishwasher
Dryer
Furnace
Garage Door Opener
Gas Range
Gas Snowblower
Home
Lawn & Garden Engine
Parts
Rear-Engine Riding Mower
Tiller
Water Softener