Often asked: How To Reset Rheem Tankless Water Heater?

How do I reset my Rheem tankless water heater?

Here how to do it right:

  1. Begin with turning the hot water tap off.
  2. Take the remote control and turn it off as well.
  3. Now it’s time to wait. 5 minutes or so should be enough in most cases.
  4. Continue with turning the tankless water heater back on.
  5. Open the hot water faucet and see what’s happening.

Where is the reset button on a tankless water heater?

The red button on the water heater is where the reset button is located. There are two buttons for each thermostat in some water heaters. The metal plate that holds the thermostat in place may have to be removed to access the reset button.

How do you troubleshoot a Rheem tankless water heater?

1) Turn off all hot water faucets (2) Power off: At remote control, turn off water heater by pressing Power on/off button (3) Power on: Wait 5 minutes and press Power on/off to turn on water heater (4) Turn on hot water faucet and check for error display (5) repeat if necessary (6) If problem continues, read error

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Why is my tankless water heater not getting hot?

Because tankless units only heat water as it’s needed, running too many hot water appliances at the same time could mean the unit just can’t keep up. On the other hand, your “no hot water” problem could be cause by a bigger issue such as: Plugged heat exchanger (due to hard water) A blocked vent/air intake.

Do all tankless water heaters have a reset button?

A red button on the upper thermostat of your electric water heater is what the market gives you, but it’s not always the model you’re looking for. It’s possible that you need to remove a small panel to reach it.

Why do I have to keep resetting my tankless water heater?

The reset button usually trips for safety to prevent the tank from overheating and potentially becoming a bomb. If your heater is continuously tripping you should call a Orlando plumbing company to replace the thermostats. We usually recommend replacing all old components with new parts this includes the elements.

What is code 11 on a Rheem tankless water heater?

Rheem fault code 11 – No ignition. Check to make sure there is gas to the unit and that the pressure is correct. Rheem fault code 29 – This code indicates that the heat exchanger outlet temperature is too low. By cleaning the heat exchanger air inlet, the problem is typically resolved.

How many years does a tankless water heater last?

Most tankless water heaters have a life expectancy of more than 20 years. They also have easily replaceable parts that extend their life by many more years. In contrast, storage water heaters last 10–15 years.

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What trips the reset button on a hot water heater?

The reset button: a red button located on the water heater itself (just above the thermostat) that trips when the water temperature exceeds 180 F. The reset button is sometimes referred to as the “ECO” (emergency cut off) or “high limit switch”.

What does code 12 mean on a Rheem tankless water heater?

Error Code 12 relates to flame failure which is when the heater can’t maintain a flame. You should check that the system is receiving gas that’s the right pressure and type. Also, check for carbon buildup in the flame rod and bleed excess air from the gas lines.

How do you fix code 13 on a Rheem tankless water heater?

An Error Code 13 will only display on Indoor Rheem Tankless systems.

  1. Check that the air intake and exhaust venting is correctly installed and in good working order.
  2. Inspect and remove any blockage from the venting and where the vent terminates outside.
  3. Check and verify that the altitude settings reflect your location.

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