How Does a Bosch AquaStar Tankless Water Heater Work?


Quick Answer

Bosch AquaStar tankless water heaters work by heating water on demand instead of storing hot water in a tank at a set temperature. Tankless water heaters save the owner money by reducing energy lost from maintaining the water temperature.

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Full Answer

Bosch AquaStar tankless water heaters use natural or propane gas burners to heat water as the water passes through the unit. The 1600 series of water heaters heats at flow rates between 0.5 and 4.3 gallons of water per minute. This allows the water heater to provide a constant flow of potable hot water.

Some Bosch AquaStar water heaters offer a unique igniter. They use the moving water to turn a turbine and generate electricity. This power creates the spark to start the burner. Other Bosch models in the same series use a standard pilot light for ignition. None of the water heaters in this series requires an outside source of electricity to operate.

As of 2015, Bosch claims its tankless water heaters save up to 50 percent off the cost of heating water in a tank. Bosch AquaStar water heaters have a life expectancy of over 20 years, while tank-style water heaters last an average of five to seven years.

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