Self-priming diaphragm pump with 110-240v AC electric motors. Flow rates up to 17 liters/min (4.8 US gallons/min), pressure switch control, capable of pressures up to 3.2bar (45psi)Features: Self-primes up to 2.4m vertical lift Handles Water-Like and Viscous Liquids up to 250 cP Four-piston design delivers higher flow rates Chemical-resistant polypropylene pump head for Iong life Choice of elastomeric materials to work with many chemicals Quick-connect plug-in ports for easy installation Optional pressure-switch control to run the pump only as needed Specifications::Voltage 115 VAC Flow Rate 4.8 US Gallons/Min (17 Liters/Min) Pressure Switch Setting 30psi (2.1 bar) Cut In, 45psi (3.2 Bar) Cut Out Amp Draw 1.5 amp Elastomers Santoprene Diaphragm/EPDM Valves Port Type 3/4" Hose