The Ridgid 40298 Unloader Complete Valve regulates water pressure in a compatible pressure washer by redirecting excess water flow when the spray gun is released. It helps maintain proper operating pressure and supports the pressure washer's normal cleaning function. Replacing a worn or faulty valve can help restore consistent pressure control and reliable operation. Check your pressu... https://www.wholetoolbox.com/ridgid-40298-unloader-complete-valve/40298.html