Anti-siphon valves*, are required by Federal Law and the USCG on all permanent fuel tank installations.
Use 15 (Brass) calibrated for HP 200 & above and 30 (Aluminum) calibrated for engines 200 HP and below.
• Delivers Coast Guard/industry standard anti-siphon protection on all gasoline-powered boats
• Combines anti-siphon protection with a convenient hose barb design
*Anti-Siphon Valve - A valve which must be opened by fuel pump suction to withdraw fuel from the tank and which will remain closed without fuel pump suction, preventing siphon action created by a break at any point in the fuel feed system.