The Eccotemp FVI12-LP tankless water heater is actually a liquid propane-fired, forced vent, 3.4 GPM indoor tpiece of equippment which is designed for small to medium hot water production. This is where you will need more than one hot water application at the same time. The Eccotemp FVI12-LP tankless water heater is ideal for vacation lodges, cottages, and smaller-built homes. The unit is included with a horizontal stainless steel vent kit that is ready to install. The 110 volt UL listed cord is what powers the internal exhaust fan & digital display. It only pulls right around 2 watts idol and 10 watts during operation, making it ideal if energy conservation is paramount. The unit is outfitted with a water pressure activated (40 PSI minimum ) electronic ignition. Eccotemp has arguably become the brand individuals rely on, especially with 24/7 technical support which is available through its toll free number: 866-356-1992.