Attwood Marine 99FLB3301S Fill Limit Vent Valve with GRV Communication 3.3" Shutoff

The Attwood Marine 99FLB3301S Fill Limit Vent Valve is a critical fuel system safety component designed to set the full fuel level in your tank and prevent overfilling. This 3.3-inch shutoff valve features GRV (Gas Recirculation Valve) communication technology to ensure proper venting during refueling operations.

Key Features:

• Sets the full level of fuel in the tank to prevent overfilling
• Prevents liquid fuel from reaching the carbon canister or vent system during vessel operation, trailering, and storage
• Compatible with Ethanol-blended fuels (E10/E15) and both plastic and aluminum fuel tanks
• Passes all USCG CFR 33 and ABYC H-24 fire test requirements
• Meets CARB and EPA emissions requirements
• Integrated high-performance gasket included for reliable sealing
• Assembly Guide aligns the FLVV and gasket with tank opening for faster, easier installation
• 3.3-inch shutoff height provides optimal fuel capacity management
• Black corrosion-resistant finish for marine environments

This fill limit vent valve is essential for modern marine fuel systems, protecting both your vessel's evaporative emissions system and the environment. The integrated gasket and alignment guide simplify installation, while the durable construction ensures long-lasting performance in harsh marine conditions.