The Eccotemp Builder Series 6 GPM Propane Tankless Water Heater is CSA approved and rated at an impressive 6 GPM with a temperature rise of 45 degrees. This tankless water heater is rated at 145,000 BTU and can produce unlimited hot water for 2-3 applications simultaneously. Eccotemp’s advanced 0.53 GPM low flow ignition technology allows users to enjoy endless hot water without experiencing cold spots. We recommend the 6 GPM Indoor Tankless Water Heater for standard to smaller 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 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 pulls less than 0.34 amps during operation, making it ideal for low energy consumption and efficiency. The Eccotemp has been CSA tested and approved for US & Canadian use at elevations up to 2000 feet. Installation and use of the Eccotemp above 2000 feet may affect overall product efficiency and performance. Installation and use of the Eccotemp above 5000 feet is not recommended. IMPORTANT NOTE: Cannot be used for HYDRONIC SYSTEMS, RECIRCULATING, or FLOOR HEATING.