Attwood Fuel Demand Valve

Attwood Fuel Demand Valve for Attwood tanks

Attwood's exclusive Fuel Demand Valve ensures pressurized fuel does not reach the engine preventing engine flooding and fuel spillage. New EPA portable fuel tanks are required to remain sealed up to a minimum of 5psi. The Attwood Fuel Demand Valve prevents pressurized fuel from flooding the engine.. The valve provides fuel to the engine only when demanded by the engine during start up or engine operation. Designed in partnership with OEM engine manufacturers the Attwood Fuel Demand Valve is compatible with all OEM Engine brands and helps to ensure proper engine start up and function.

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 engine

Prevents fuel spray down stream from the Fuel Demand Valve. Use the Attwood Universal Sprayless Connector to prevent spraying at the fuel tank (8838US6)

Made of high-strength composite material designed to withstand harsh abuse of marine environment

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 (less than 2kPa at 125 liters/hour)

20psi max nominal input pressure. Protected for 40psi pressure spike

Built in manual override

2 Year Warranty

Compatible with Ethanol blended fuels

Compatible with all OEM brand engines (1hp - 350hp)

OEM quality and performance at a fraction of the price

Frequently Asked Questions

• What is the Attwood Fuel Demand Valve for Attwood tanks used for? The Attwood Fuel Demand Valve is designed to prevent pressurized fuel from reaching the engine, helping prevent engine flooding and fuel spillage. The valve supplies fuel only when demanded by the engine during startup or operation and installs between the fuel tank and primer bulb.
• How does the Attwood Fuel Demand Valve help prevent engine flooding? The Attwood Fuel Demand Valve allows only the amount of fuel requested by the engine to pass through. It helps prevent a pressurized slug of fuel from reaching the engine, which can cause flooding when portable fuel tanks remain sealed under pressure.
• What fuel hose sizes are compatible with the Attwood Fuel Demand Valve? The Attwood Fuel Demand Valve is compatible with both 3/8-inch and 5/16-inch fuel hose. It is designed to be installed between the fuel tank and the primer bulb.
• What are the pressure specifications of the Attwood Fuel Demand Valve? The Attwood Fuel Demand Valve has a maximum nominal input pressure of 20 psi and is protected for a 40 psi pressure spike. Its low vacuum restriction is less than 2 kPa at 125 liters per hour to help support engine function during startup and operation.
• Is the Attwood Fuel Demand Valve compatible with different engine brands and sizes? Yes. The Attwood Fuel Demand Valve is specified as compatible with all OEM engine brands and engine applications from 1 hp through 350 hp. The product description states that it was designed in partnership with OEM engine manufacturers.
• Is the Attwood Fuel Demand Valve compatible with ethanol-blended fuels? Yes. The Attwood Fuel Demand Valve is specified as compatible with ethanol-blended fuels. It is made from high-strength composite material designed for use in the marine environment and includes a built-in manual override.