Product Overview
Attwood 9300FDV7 Fuel Demand Valve: Marine Grade Fuel Tank Valve

Engine flooding? Fuel spillage? Not on your watch! The Attwood 9300FDV7 Fuel Demand Valve is your first line of defense against these costly and potentially dangerous issues. Engineered to exacting marine-grade standards, this robust valve ensures your engine receives only the precise amount of fuel it demands, preventing pressure surges that can lead to flooding. Built with high-strength composite materials and designed for compatibility with all major OEM engine brands (up to 350 hp), the 9300FDV7 offers peace of mind and reliable performance, allowing you to focus on what matters most – enjoying the open water.
Key Features
- Prevents engine flooding due to pressurized fuel
- Allows only the amount of fuel requested by the engine
- Prevents a pressurized "slug" of fuel from reaching the engine
- Made of high-strength composite material
- Compatible with 3/8" and 5/16" fuel hose
- Installs between the fuel tank and the primer bulb
- Low vacuum restriction helps ensure proper engine function during startup and engine operation
- 20psi max nominal input pressure
- Protected for 40psi pressure spike
- Built-in manual override
- Compatible with ethanol-blended fuels
- Compatible with all OEM brand engines (up to 350 hp)
Specifications
- Unit Weight: 0.16 lb
- Brand: Attwood
- MFG Part No.: 9300FDV7
- Max Input Pressure: 20 psi
- Pressure Spike Protection: 40 psi
- Fuel Hose Compatibility: 3/8" and 5/16"
- Engine Compatibility: All OEM brands (up to 350 hp)
Warranty: No warranty information found in the provided source.
The Captain's Take
Years on the water have taught me one thing: preventative maintenance is key. Installing an Attwood 9300FDV7 is a small investment that delivers big returns. It's a simple addition, but it eliminates a major potential headache—fuel system issues. Trust me, you'll thank yourself later.