Seaflo 21 Series DC Diaphragm Pump Voltage：12V/24V Open Flow：1.0-1.2GPM / 3.8-4.5LPM Shut-off Pressure：35-70PSI / 2.4-4.8BAR Priming Capabilities：4 feet (1.2 m) suction lift Max Recommended Temperature：140° F (60° C）Max. Material：EPDM(Valves) / Santoprene(Diaphragm) Ports：3/8" hose Barb (or Custom O-Ring) The 21-Series Pumps are compact and designed for a wide range of applications including liquid transfer, spraying, circulation, filtration and dispensing. The 21-series of diaphragm pumps are self-priming and can be run dry without harm. It provides up to 1.2 gallons per minute. Miniature multi outlet water pressure pump serves 1 or 2 3/8” (10 mm) outlets at any one time. This compact automatic demand water system pump has a built-in pressure switch, which automatically starts and stops the pump when faucet is opened and closed. Email consultation collect