Z Series solenoid diaphragm metering pumps from Hayward Flow Control feature front-facing controls and tube connections for flexible installation. Available with analog or digital controls in three pump sizes, flow rates range from 1 to 14 gph. Other features include 120 to 300 strokes per minute, 4-20mA or pulse input and outputs, NEMA 4X IP65 rated, double check valves with dual ceramic balls, and backlit LCD display with intuitive programming. 888/429-4635; www.haywardflowcontrol.com.