This unloader features a bolt on design with internal by-pass system. Input-Fixed Pressure releases pressure in the pump head when in by-pass, protecting from over pressurization. Eliminates by-pass hose and fittings. The molded plastic adjusting knob is designed for user comfort. Brass body with a stainless steel, plunger and spring, by-pass is aluminum or brass.
Max PSI: 3,650 PSI
3-5.5 Max GPM
Brass Bypass