Some common pressure washing terms Adjustable Pressure Regulator
This is a unloader valve that not only unloads the pressure but also allows you to adjust your operating pressure by just a turn of a knob on the unloader valve itself.
Certain pressure washers include a nozzle that can be adjusted to allow for different angles or spray patterns just by turning your wrist. These nozzles are for homeowner type machines.
This is a pump used to tr