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Herrington Marine E-Valve

Today's ethanol and bio-diesel blended fuels are capable of attracting up to 300 times the moisture of regular petroleum-based fuels. Once fuel begins to break down, it can quickly gum up a marine engine, leading to high repair bills. The E-Valve, a fuel vent moisture control manifold from Herrington Marine Technologies, offers an easy and economical solution.

The E-Valve helps stop fuel contamination before it starts, and keeps marine engines running consistently clean. It reduces the engine wear caused by moisture-laden fuel, and also curtails bug growth in diesel fuel. In short, the E-Valve allows the boat owner to protect his investment.

This innovative device monitors the fuel tank in two ways. First, it accomplishes diurnal emissions control by allowing air to freely exit the fuel vent line during refueling, or when fuel expands in high temperatures. Then, it also protects the engine by sealing the fuel system from moisture buildup whenever the boat is idle. This also ensures unrestricted air flow to the fuel system during engine operation.

Manufactured with the highest quality marine components, the E-Valve features corrosion-resistant construction. It meets and exceeds USCG requirement 183.520, and is ABYC and NMMA compliant. The manifold weighs only 1 lb. and measures a compact 9.5" L x 3.5" H x 1.5" W.  Designed for an easy, one-time installation in-line with a 5/8" ID fuel vent line, the E-Valve can be mounted either horizontally, vertically or flat.

Other innovative products from Herrington Marine Technologies include the Fuel Spill Guard System and the Overfill Alert System for worry-free fueling.

The E-Valve retails for $178.55 each. For more information, contact Herrington Marine Technologies at 360-222-3106, or

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