The Eccotemp i12 Indoor Liquid Propane Tankless Water Heater is one of the most advanced indoor models of the Eccotemp tankless line. Rated at an impressive 4.0 GPM with a temperature rise of 38 degrees and 80,000 BTU per hour, the Eccotemp i12-LP can meet all your hot-water needs! Eccotemp’s advanced 0.7 GPM low flow ignition technology allows users to enjoy endless hot water without experiencing cold spots. We recommend the Eccotemp i12-LP for smaller sized single-family homes, apartments, condos, and cabins as well as small commercial applications. Using 1-2 hot water applications simultaneously is a breeze with the Eccotemp i12-LP. With our upgraded PCB (Product Control Board) performance and an all new gas modulating valve, consumers can experience best in class temperature performance with a price anyone can afford. The compact, wall mounted Eccotemp i12-LP has a 110/120-volt UL listed power cord that powers the internal Exhaust Fan, Digital Display and PCB. The Eccotemp i12 has been tested at elevations up to 2000 feet. Installation and use of the Eccotemp i12 above 2000 feet may affect overall product efficiency and performance. Installation and use of the Eccotemp i12 above 5000 feet is not recommended.