What causes inconsistent water temperature?

Another common reason why you may be experiencing inconsistent water temperatures at any service point in your house is that your conventional tank-based water heater’s cold water dip tube is faulty. On top of your water heater are two pipes that extend into the water heater.

How to troubleshoot a Noritz tankless water heater?

Troubleshooting Noritz tankless water heater error codes isn’t as difficult as it may seem. Noritz, like any other tankless water heater manufacturer, uses a remote controller which can display various error codes on its LCD display to help with troubleshooting. Need to hire a plumber?

What causes a code 16 on a Noritz tank?

A sharp spike in outlet water temperature will cause a code 16. This often results from scale buildup, which hampers heat-transfer efficiency and makes the unit try to compensate by burning hotter. Since this error can be caused by scale buildup or hard water, performing a descaling procedure or using a water softener may resolve it.

When to contact a licensed contractor for a tankless water heater?

Some resolutions are simpler than others, but you should always err on the side of caution and contact a licensed contractor. Installer Matt Carver stands next to the EZTR40 water heater. This indicates ignition failure in your tankless water heater.

What does code 11 mean on a Noritz water heater?

Noritz Error Code 11 This indicates ignition failure in your tankless water heater. It means that your unit is not firing up to heat the water, a situation that can be caused by insufficient gas supply, insufficient airflow or debris on the ignition plug.

When was the Noritz tankless hot water heater installed?

I have a Noritz N-0751M-OD tankless hot water heater installed in approximately 2009 or 2010 (the unit itself appears to have a serial number from 2008). We are on the city natural gas line. The unit … read more

Why is my Noritz tankless water heater making a loud noise?

when the hot/warm water is turned on, our outdoor tankless makes a really loud noise when firing up. It only last a couple of seconds each time. The … read more after a long shower, using our Noritz tankless gas water heater, very loud and scary noises started to come out of the heater. What should I do? … read more Master Plumber/ Commerc…

Are there any problems with my tankless water heater?

No hot water is one of the most common tankless water heater problems. The first things you should check are the electric power, water, and gas supply to the water heater. Check the shut-off valves, as they might be in the closed position. Check the gas burner and does the flame rod generates the sparks.

Why does my Noritz hot water heater shut off in middle of shower?

I built a new home in 2007 and installed a Noritz tankless hot water heater. It now shuts off in the middle of a shower and the water is cold. The plumber told me to get out of the shower and hit the on/off button and wait for it to heat up again. However, the remote unit is in the master bath.