High Flow Mosmatic Swivel 3 8" Ball Valve DN10 Combo Brass Socket & Steel Plug GUN SWIVEL The unloader is set at 3 4 Hose Barb The unloader is set at a spike pressure of 200 PSI above the operating pressure of the pump and meant to be left alone We can cut a jump hose to your exact length and crimp on the hose ends for both high pressure and low pressure hose When reeling pulling hose in upon job completion*** (Increase the lifespan of your ball valve by removing it from the end of your hose prior to reeling it in) Add this ball valve to the end of your high pressure hose to allow you to switch from your surface cleaner to the gun wand assembly without running back and forth to your engine to shut it down to release the pressure in the hose