Tankless Water Heater Problems Part 1

Mineral buildup system overload cold water sandwich air supply or exhaust blockage ignition failure flame failure.

Tankless water heater problems part 1.

Most tankless water heaters operate off a 1 2 inch or 3 4 inch gas line. Which is required will depend on what can provide a sufficient level of fuel to the water heater. First off this is a common tankless problem called a cold water sandwich. The air supply and specialized exhausts have a tendency to get blocked which usually makes the device shut down.

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. Banging or rumbling noises. This post will dip into some of the most frequent tankless water heater problems and teach you how to deal with them.

Undersized gas lines can place stress on the water heater reduce its expected lifespan and even be a warranty violation for some manufacturers. If you see chunks of sediment or water appears cloudy or rusty. But no system is flawless and demand type heaters are no exception. If water has a metallic smell or taste there could be iron present.

Here are six of the most common problems and maintenance concerns for tankless water heaters. In addition look for these telltale signs of water heater failure. Before it fully warms up and starts heating the water you get a short run of cold water. Changes in water quality.

Common tankless water heater problems hot water is not delivered instantly and other common tankless water heater problems are listed below. If this is the case adjust the maximum temperature between 125 and 130 degrees fahrenheit. This problem happens because the heat exchanger the part that actually heats the water takes a while to warm up. When using a tankless water heater you re likely to face these issues.