The Shurflo Revolution fresh water pump design was created with a unique one-piece diaphragm and internal by-pass, assuring long life and top performance in all plumbing systems. The quality reputation of Shurflo is built on the reliability and dependability of every pump we build. Mounts in any position. 3.0 GPM, 12VDC, 55 PSI, 7.5 Amps.