K2 Pumps ASP00001K Water Powered Backup Sump Pump. 9.55 Gallons Per Minute. 12.72 x 5.83 x 5.71 inches. Automatic backup sump pump powered by municipal water pressure. Helps prevent basement flooding during a power outage. No electricity or battery required to operate the pump. Compact design can be used alongside any sump pump basin 18 in diameter or larger. Operates at water pressures from 40 to 80 PSI. The K2 Pumps Water Powered Back-up Sump Pump is designed for use as an auxiliary sump pump in the event your primary sump pump fails. The pump is powered by municipal water pressure and requires a connection to your city water system with a minimum pressure of 40 psi. The pump removes up to 573 GPH of water at 0′ of lift at 40 psi and 702 GPH at 60 psi. The compact design can be used alongside any sump pump basin 18 in diameter or larger. 1-1/4″ MNPT Discharge and 3/4″ Inlet. We offer the best prices around on high quality products. Our E-store includes media such as books, movies, music and games while offering electronics, toys, sporting apparel, clothing, tools, general home, garden items and more. We are always working hard to ensure your package arrives as soon as possible. We do not accept P. Please provide a physical address. We try our very best to make sure every customer is completely satisfied. If there’s a problem, message us! We’re happy to help.