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Thorm Em
Gas Water Heater

Model # EM1-PM1000 Official Thorm Em tankless water heater

Here are the diagrams and repair parts for Official Thorm Em EM1-PM1000 tankless water heater, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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Showing 10 of 39 parts  |
Reg W/valve 239-317329-00
#34

Replacement parts diagram

Reg w/valve

Part #239-317329-00

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

Gasket 239-37368-00
#16

Replacement parts diagram

Gasket

Part #239-37368-00

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

Housing Assembly 239-37320-00
#18

Replacement parts diagram

Housing assembly

Part #239-37320-00

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

Ig Button 239-37334-00
#31

Replacement parts diagram

Ig button

Part #239-37334-00

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

Thermocouple 239-37326-00
#13

Replacement parts diagram

Thermocouple

Part #239-37326-00

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

Pilot Assembly 239-37380-00
#28

Replacement parts diagram

Pilot assembly

Part #239-37380-00

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

Sensing Tube 239-37332-00
#25

Replacement parts diagram

Sensing tube

Part #239-37332-00

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

Electrode 239-37318-00
#15

Replacement parts diagram

Electrode

Part #239-37318-00

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

Valve Body 239-37381-00
#23

Replacement parts diagram

Valve body

Part #239-37381-00

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

Eco Assy 239-37317-00
#20

Replacement parts diagram

Eco assy

Part #239-37317-00

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

Most common symptoms to help you fix your water heaters

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

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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'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 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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