Bosch announces new tankless water heater series

Bosch announces new tankless water heater series

Photo courtesy of Bosch Thermotechnology Corp.

The new year has begun with Bosch Thermotechnology Corp. unveiling 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, adding new features for easy installation, operation and maintenance, according to a press release.

The product already has earned accolades, as the Consumer Technology Association recently recognized the Greentherm 9900i SE model as a CES 2017 Innovation Awards Honoree.

The Greentherm 9000 Series features an energy factor of 0.99 with thermal efficiency of 100 percent, which is the highest in the industry for condensing gas water heaters. The series achieves temperature stability of plus or minus two degrees through the active bypass. Its advanced technology 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. Its wide operating range – between 9,000 and 199,000 Btu, saves energy when hot water demand is low.

“We designed the Bosch Greentherm 9000 Series with the installer in mind,” said Freddie Molina, tankless product manager of Bosch. “For indoor units, top-mounted water connections allow for easier, faster replacement of a tank-type water heater. The patented OptiFlow combustion management system automatically adjusts for a variety of installation conditions, including flue length and altitude, eliminating the need for a combustion analyzer in most installations to simplify the installation process.”

The Greentherm 9000 Series models feature rounded corners on the metal cabinet. The premium 9900i SE model has a glass front and integrated Wi-Fi control – also an option on other models – enabling owners to control water heaters remotely via a free mobile app. The Wi-Fi module communicates with the app to provide operating performance information to the user and sends any alerts directly to a compatible smartphone.

Outdoor models feature a concealed, built-in controller with optional Wi-Fi connectivity.

Installation permits up to 60 feet of venting with two-inch pipe, or 280 feet of venting with three-inch pipe, using a wide range of venting material options. It may be used with half-inch or three-quarter-inch gas line with appropriate connection, and a built-in recirculation pump allows for simpler installations.

The series requires no dedicated return line, decreasing wait time for hot water at the tap, thus reducing water waste and saving an estimated 11,000 gallons a year per household.

The commercial models offer heavy-duty primary and secondary heat exchangers for longer lifespan and deliver water supply temperature to 180 degrees. Systems also can be cascaded up to 24 units to achieve flow rates of more than 200 gallons per minute – ideal for commercial buildings, schools and hotels.


Topics: Appliances, Bathroom, Heating & Cooling, Tankless Water Heaters, Water Heaters, Water Saving Devices


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