Part Number: 8.712-605.0
OEM / Old Part Number(s): 462531A, 87126050
This 8.712-605.0 General Pump ZK3.1 flow regulated unloader valve relieves line pressure when pressure washer is in bypass mode. Designed with no external moving parts or springs, and all stainless steel and brass components, with dual gauge ports and convenient bypass location. This ZK3.1 unloader has a 3/8 inch Male Outlet