Never leave a boat unattended while the bung is in place and the valve is disassembled. All Marelon Integrated Valves are sold as a complete system . The assembly consists of a thru-hull fitting, a valve body and a tailpipe barb or female pipe thread end. All valves have one part number for the complete assembly and cannot be sold or used separately. Forespar will not be responsible for valves disassembled, modified, reassembled improperly or used incorrectly.
All valves are full port.
The I.D. of the hose barb is carried thru the ball so there is no restriction of flow. King Nut Dia.