how tankless water heater works
Tankless models donât store hot water. When hot water is needed, water flows through the device and the flow sensor fires the burner. Water lines around the heat exchanger warm the water to the desired temperature.When the hot-water valve is closed, the flow sensor turns off the burner.ankless models donât store hot water. When hot water is needed, water flows through the device and the flow sensor fires the burner. Water lines around the heat exchanger warm the water to the desired temperature.