On-Demand General Purpose Diaphragm Pump Operating Pressure (Maximum) 100 psi Diaphragm Chamber Design 2 Diaphragm Material EPDM Check Valve Material EPDM 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 120V AC Priming Self-Priming Pressure Switch Yes Standards - Includes -