Suction head can be adapted to connect to a 1/4" quick coupler (nozzle coupler)

Interpump 59 Evolution Series E3B 2118 triplex pressure wash pump

Double ASAE 1-3/8" Splined Shaft

zero-emission machine is required

Unloader valves are one of the most important safety devices on a pressure washer system

Interpump "44 Series" W956 1750rpm 1-1/8" Shaft 2500psi 3.6gpm Unloader:W956BAV - Internal Unloader Suction head can be adaptedGeneral Pump Interpump 44 series W956 A triplex pressure wash pump. 2500 PSI Maximum Rated Pressure 3. 6 GPM @ 1750 RPM 1 1 8" hollow shaft NEMA 184 TC flange for electric motor Inlet: 1 2" FPT Outlet: 3 8" FPT Available with internal unloader, otherwise sold separately. Do not install pump without unloader or pressure regulator. Professional installation is recommended.