SIMPSON™ 420cc engine with a low oil shutdown feature

Two-stage design provides an extended lifting height of over ​71"

ef‹ciency mode – economical and environmentally friendly

Two wire braid reinforcement

Drive Type(s) Direct

Annovi Reverberi AR20831 Unloader Valve diaph-ptfe SIMPSON™ 420cc engine with aThe unloader valve diverts water flow into bypass when the trigger gun valve is closed. Unloaders may be designed to respond to either an increase in pressure or a change in flow. The unloader valve may also be used for variable pressure adjustment. Max GPM 8 Max PSI 5100 Inlet 3 8 F Outlet 3 8 M Max Temp 190 F By Pass 3 8 F Knob Yes