The NCC199CDV condensing tankless water heater is approved for common venting up to six units in commercial applications, and is EPA ENERGY STAR certified with a thermal efficiency rating of 98 percent. It has a maximum flow rate of 11.1 gallons per minute (gpm).
With a maximum input of 199,900 BTUs per hour (BTU/hr), the product features two austenite 316L stainless steel heat exchangers. Up to 24 of these units can be linked together, using the optional Multi-Unit System Controller. The product weighs only 81 pounds, can perform at an altitude of up to 10,000 feet and is WiFi-enabled.