Diaphragm Pump Operating Pressure (Maximum) 60 psi Diaphragm Chamber Design 3 Diaphragm Material Santoprene Check Valve Material Viton Discharge Connection Size 3/8 in Discharge Connection Type FNPT Flow Rate (Maximum) 2 gpm Housing Material Polypropylene Intake Connection Size 3/8 in Intake Connection Type FNPT Nameplate Voltage 12V DC Priming Self-Priming Pump Operation Type Electric Pressure Switch Yes Standards NSF Certified Flow Rate @ 20 psi 1.6 gpm Current 7.5 A