Common tankless water heater problems hot water is not delivered instantly and other common tankless water heater problems are listed below.
Tankless hot water heater ignition problems.
Undersized gas lines can place stress on the water heater reduce its expected lifespan and even be a warranty violation for some manufacturers.
Which is required will depend on what can provide a sufficient level of fuel to the water heater.
Since tankless water heaters need a minimum amount of water flow before activating there s a gap between completely cold water and the coolest warm water that you can create with a hot and cold water mix.
Last year navein had pulled back almost 3 400 on demand water heater tank less for the second time due to co contamination but the scenario of the first time was a bit different in 2009.
We ll come out to assess your tankless unit and identify the root cause.
Here are six of the most common problems and maintenance concerns for tankless water heaters.
The failure can be caused by a problem inside the water heater or due to an external cause.
Check your unit s manual for steps on what the code could mean and if it could possibly be an error.
If you have an older tankless water heater 10 years old the problem is most likely that the minimum flow rate is too high.
On that time navien tankless water heater problems were about technical issues.
With so many wires and small parts tankless hot water heaters can have a long list of possible problems.
He pilot light can go out or fail to ignite and the sensors can simply quit working without any explanation.
Common problems and how to fix them.
The ignition failure on tankless water heaters can occur to any brand and model no matter how advanced or not is.
You see every tankless water heater has a minimum flow rate which is the minimum amount of water measured in gallons that the tankless unit needs flowing through it every minute gpm to produce hot water.
Burner does not ignite.
Most tankless water heaters operate off a 1 2 inch or 3 4 inch gas line.
Water is not hot enough.
But before trying to fix the unit let s go first through the troubleshooting checklist recommended by the manufacturers.
Be sure to take note of the warning message and time for a more accurate report.
Warning messages and or error code on the unit.
No hot water often related to the flame failure and no ignition water is too hot.
Example tank is a john wood 40 gallo.
How to diagnose and repair a faulty atmospherically vented gas fired water heater.
