High-Performance Power Washer Pump for Coleman & Powermate Sprayers by | Jul 23, 2026Max Flow: 2.5 GPM. Max Pump Speed: 3450 RPM. 4 Bolt Pattern: 2 5/8″ Center to Center between Outer Holes. Max Water Temp: 140° F. Inlet Connection Type: Standard Garden Hose. Outlet Tube Connection: 22mm Male.