Diaphragm Pump Operating Pressure (Maximum) 100 psi Diaphragm Chamber Design 2 Diaphragm Material Buna-N Check Valve Material Buna-N Discharge Connection Size 3/8 in Discharge Connection Type FNPT Flow Rate (Maximum) 1.6 gpm Housing Material Polypropylene Intake Connection Size 3/8 in Intake Connection Type FNPT Nameplate Voltage 24V DC Pump Operation Type Electric Pressure Switch No Manufacturers Warranty Length 1 Year Media Temperature (Maximum) 140 Degrees F