Tankless Hot Water Heater Ignition Problems

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.

How to diagnose and repair a faulty atmospherically vented gas fired water heater. The ignition failure on tankless water heaters can occur to any brand and model no matter how advanced or not is. The failure can be caused by a problem inside the water heater or due to an external cause. On that time navien tankless water heater problems were about technical issues.

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. 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. Water is not hot enough.

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. But before trying to fix the unit let s go first through the troubleshooting checklist recommended by the manufacturers. If you have an older tankless water heater 10 years old the problem is most likely that the minimum flow rate is too high. Mineral buildup system overload cold water sandwich air supply or exhaust blockage ignition failure flame failure.

Burner does not ignite. 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. Which is required will depend on what can provide a sufficient level of fuel to the water heater. Be sure to take note of the warning message and time for a more accurate report.

Most tankless water heaters operate off a 1 2 inch or 3 4 inch gas line. The burner is too noisy. Example tank is a john wood 40 gallo. Common problems and how to fix them.

Undersized gas lines can place stress on the water heater reduce its expected lifespan and even be a warranty violation for some manufacturers. Here are six of the most common problems and maintenance concerns for tankless water heaters. Warning messages and or error code on the unit. We ll come out to assess your tankless unit and identify the root cause.