Use with quick connect spray tip (sold separately)

Recommended for large flow

4000psi max pressure

Adjustable from 2000psi up to 6000psi

If the hole is on the arm opposite the pump outlet near the brass unloader valve you have the EZ pump

Interpump "59 Evolution Series" E3B2515 3625psi 3.9gpm Solid Shaft features_3400rpm Use with quick connect sprayInterpump 59 Evolution Series E3B 2515 triplex pressure wash pump. 3625 PSI Maximum Rated Pressure 3. 9 GPM @ 1450 RPM Shaft Diameter: 24mm Inlet: 1 2" FPT Outlet: 3 8" FPT Unloader sold separately. Do not install pump without unloader or pressure regulator. Professional installation is recommended.