Liberty Pumps duplex grinder systemThe ProVore 680 duplex system from Liberty Pumps is powered by two 1 hp grinder pumps and features V-Slice cutter technology. The unit shreds feminine products, rags and other unwanted debris. Operating on 115 or 230 volts, the system can be plugged into a standard 20-amp circuit. The unit is 24 inches tall and ships complete with alternating pump control unit. 800/543-2550; www.libertypumps.com.Zoeller Z-Rail pump disconnect systemThe Z-Rail pump disconnect system from Zoeller Co. is designed for threaded discharge submersible pumps. Rated to 250 feet TDH, the system is available in 1 ¼-inch vertical or horizontal
