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The Anatomy of Tankless Water Heaters


The Anatomy of Tankless Water Heaters

As the premier plumber in Charlotte, NC, Charlotte Plumbing Masters knows all there is to know about water heaters—both tankless and traditional. A tankless model is a great option for those who tend to run multiple water-based appliances at once. Curious about how these units work? Read on and discover a few of its main system components.


Some sort of venting system is needed to combust and recycle air in your water heater. A unit in need of water heater replacement may already have some of this ventilation system installed, depending on the water heater type.

Heat Exchanger

Since a tankless water heater doesn’t have any storage, it uses a heat exchanger to raise the temperature of cold water that passes through the system. With proper maintenance, this system component usually lasts a decade or more.

Gas Burner

Think of this gas burner like the ones found on your stove. This burner heats the water that passes through the heat exchanger, providing a constant supply of hot water. Water heater services are necessary to install this, but after the unit is in place, a tankless model is still preferable for constant heat.

Gas Valve

After your water heater installation, your tech may go over specifics such as your gas valve. This is the area that controls the gas flow to the burner and probably adjusts itself automatically.

Printed Circuit Board

This is the brain of the water heater and functions much like a computer would.

Ignition System

Instead of a pilot light, tankless models use an electronic ignition system. This lights up automatically for you.

Charlotte Plumbing Masters is proud to offer water heater installations and water heater repair in Charlotte, NC. We carry a range of the best tank and tankless models on the market and would be happy to assist you. Give us a call today or fill out the form to schedule an appointment. We look forward to hearing from you!

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