Bosch Therm C 1210 ESC Commercial NG Condensing Tankless Water Heater, Input 225 MBH

This is the highest performance, fully condensing gas tankless water heater from Bosch. Unlike traditional non-condensing models, condensing technology captures heat from the exhaust gas and uses it to preheat the incoming cold water. This increases efficiency and reduces emissions – well ahead of the 2012 Low NOX emissions standards set by SCAQMD (California’s South Coast Air Quality Management District). Features: ASME certified Up to 98% thermal efficiency 225,000 BTU maximum input 12.1 gallons per minute capacity at 35F degree rise Cascade up to 24 units to satisfy jobs of all sizes; up to 290 GPM Minimum activation flow rate of 0.5 gallons per minute Electronic ignition and patented burner design Exclusive safety and precision controls Built in freeze protection Direct vent, vertically or horizontally with PVC, CPVC or ABS-DWV Concentric and twin pipe venting options Can be used in tank loading, solar thermal, recirculation, radiant floor and space heating applications Space saving design with 100% se...