The Craftsman 706610 Unloader Valve Kit helps regulate pressure in compatible pressure washer systems during operation and when the trigger is released. This replacement kit controls water flow and pressure by diverting excess water when needed, helping reduce pressure buildup within the pump. A properly functioning unloader valve supports stable pressure, smoother operation, and reli... https://www.wholetoolbox.com/craftsman-706610-unloader-valve-kit/706610.html