How to Understand a Tankless Water Heater

In this video you'll see a demonstration of how a tankless water heater works. First of all when the tap is turned on, the hot water begins to draw which then triggers the cold water to be drawn into the tankless water heater. When that happens, the flow sensor picks up the intake and then kicks in the burner, which then takes the gas from the gas line to ignite the burner, and bring the water through the heat exchanger. It then heats the water and puts it right through, all within a matter of seconds. After the tap is turned off the tankless water heater just shuts down and is on standby for next time that it is activated and turned on.

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