Replacement for Ridgid Model:RD80746,Huskey Models: HU 80722, HU80722, HU080722
If you install this kit for the pump,it can automatically control the unloading or loading.The system pressure is zero under unloading so that the pressure oil returns directly to the fuel tank, reduce power consumption to extend service life.
The unloader valve kit is made out of brass and stainless steel which have long service life,easy installation.