The Advantage® ADV270FDCH electric tankless water heater provides a whole home hot water solution utilizing a patented heating technology that offers instant hot water on demand. Our electric tankless units are ideal for whole home hot water with applications such as sinks, showers, tubs, washing machines and dishwashers. Instant hot water heating means no pre-heating or stand-by heat loss, saves energy and reduces water-heating costs by up to 50%. The ADV270FDCH is a 240V/27KW/60Hz whole home water heater that is easy to install. Simply wire the system into the breaker panel [requires (3) 8 gauge AWG (American Wire Gauge) copper wires] (min required 3 x 50 Amp breaker) and connect the water hoses to the standard Copper National Pipe Thread NPT fittings. Our units are efficient and economical and offer multiple residential and commercial applications.