AHI Technologies ACQ-C10Y 277-Volt Electric Tankless Water Heater with Coil less Technology, 1.2 GPM, White Qualifies for LEED points, meets NAHB green building standards, Green Plumbers USA preferred methods, EPA Watersense Ideal for single or multiple low flow sinks in commercial environments that require 277V (15-30 amp) Features three capacity selections for energy conservation Includes: heater, owner/installer manual, mounting bracket, pressure relief valve, inlet water filter, template and mount screws Install at point of use, Green technology saves up to 50-Percent energy and supplies instant hot water in 2 seconds flat