what is an unloader kit for pressure washer
Part Information. This manufacturer-approved unloader valve kit (part number 315747GS) is for pressure washers. Unloader valve kit 315747GS includes the parts needed to replace the unloader valve, which opens to relieve water pressure and recirculate water through the pump when the spray wand isn't in use and the pressure washer is running. Wear work gloves to protect your hands when installing this part.