The Z Series of solenoid diaphragm metering pumps from Hayward Flow Control, designed for chemical dosing systems and corrosive environments, feature front-facing controls and tube connections for flexible installation. Available with analog or digital controls, the pumps are available in three sizes, flow rates from 1 to 14 gph and stroke rates from 120 to 300 per minute. Other features include one-piece, molded PVDF pump head; double check valves with dual ceramic balls; integral degassing valve; solids PTFE diaphragm; glass-reinforced polypropylene housing; FPM O-ring seals; automatic power supply (100-240 VAC); 4-20mA or pulse inputs and outputs; backlit LCD display, and NEMA 4X/IP 65 rated. 888/429-4635; www.haywardflowcontrol.com.