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.

If you have an older tankless water heater 10 years old the problem is most likely that the minimum flow rate is too high. Which is required will depend on what can provide a sufficient level of fuel to the water heater. The burner is too noisy. On that time navien tankless water heater problems were about technical issues.

He pilot light can go out or fail to ignite and the sensors can simply quit working without any explanation. Warning messages and or error code on the unit. 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. But before trying to fix the unit let s go first through the troubleshooting checklist recommended by the manufacturers.

Undersized gas lines can place stress on the water heater reduce its expected lifespan and even be a warranty violation for some manufacturers. Example tank is a john wood 40 gallo. Water is not hot enough. 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.

No hot water often related to the flame failure and no ignition water is too hot. We ll come out to assess your tankless unit and identify the root cause. Check your unit s manual for steps on what the code could mean and if it could possibly be an error. The air supply and specialized exhausts have a tendency to get blocked which usually makes the device shut down.

The failure can be caused by a problem inside the water heater or due to an external cause. Common problems and how to fix them. How to diagnose and repair a faulty atmospherically vented gas fired water heater. With so many wires and small parts tankless hot water heaters can have a long list of possible problems.

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. Here are six of the most common problems and maintenance concerns for tankless water heaters. Burner does not ignite.