FATBOY PUMP, 7GPM, 1/2"NPT, DEMAND, 60PSRemco 7. 0 GPM fatboy pump with 1 2" female pipe thread fittings, on demand pressure, and 60 PSI. Brand Remco Connection Size 1 2 Inch Connection Specifcation 1 2 Inch Female NPT Connection Type NPT Max Gallons Per Minute 7. 0 GPM Max PSI 60 PSI Pump Control Demand Pump Pump Diaphragm Santoprene Pump Type Spot Sprayer Pump Valve Material Viton Voltage 12 Volt Wire Leads 2 Pin