The Eccotemp 7.0 GPM Outdoor Tankless Water Heater is the largest capacity model in the Builder Series. CSA approved and rated at an impressive 7 GPM with a temperature rise of 45 degrees. This tankless water heater is rated at 180,000 BTU and can produce unlimited hot water for 4-5 applications simultaneously. Eccotemp’s advanced 0.79 GPM low flow ignition technology allows users to enjoy endless hot water without experiencing cold spots. We recommend the 7.0 GPM Outdoor Tankless Water Heater for large, medium, small size single family homes, townhomes, condos, cabins, as well as smaller commercial applications and home builders. With our upgraded product control board performance and an all-new gas modulating valve, consumers can experience best in class temperature performance that is budget friendly. The space saving wall mounted Eccotemp 7GB has a 110/120-volt UL listed power cord that powers the internal exhaust fan, anti-Freeze protection and product control board. With its fully automated control system, the Eccotemp 7GB pulls less than 0.61 amps during operation, making it ideal for low energy consumption and efficiency. The Eccotemp 7GB has been CSA tested and approved for US & Canadian use at elevations up to 2000 feet. Installation and use of the Eccotemp 7GB above 2000 feet may affect overall product efficiency and performance. IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.