Bosch Thermotechnology Corp. has developed a new line of tankless gas condensing water heaters. The Bosch Greentherm 9000 Series offers nine models for high-efficiency domestic hot water in residential or commercial applications.

According to the company, the Greentherm 9000 Series features an Energy Factor of 0.99 with thermal efficiency of 100%. This series achieves temperature stability of plus- or minus- two degrees through the active bypass. Furthermore, company official claim its advanced technology seamlessly controls output capacity, optimizing comfort and efficiency by combining the burner's pulsating mode with the bypass valve to achieve the desired outlet temperature, even at low flow rates. The water heaters offer an operating range between 9,000 and 199,000 Btu.

The Greentherm 9000 Series models also an integrated Wi-Fi control enabling users to control water heaters remotely via a free mobile app. The commercial Greentherm 9000 models offer heavy-duty primary and secondary heat exchangers for longer lifespan, and deliver water supply temperature to 180°F. Systems also can be cascaded up to 24 units to achieve flow rates of more than 200 gallons per minute.

--Bosch Thermotechnology Corp.