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Product Details

Forespar 'Y'-Valves and Connectors are molded of high strength glass-reinforced Marelon. Offering an improved, stronger handle design, our valves are available in a 1-1/2" barb size.

'Y'-Valves are an essential piece of equipment when the flow of water or other fluids are required to be conveniently diverted, as in a marine head application where a holding tank is utilized. They are easily mounted to a bulkhead. The valves are operated by a simple 120 Degree movement. Positive stops are provided between positions.


All critical hose connections should be double clamped at both ends. Ideally, the hose clamp screws should be mounted opposite one another for maximum security. Use the highest quality AWAB hose clamps for longest life and best performance.

Reviews for Forespar Marelon Y-Valves

2 of 2 Reviews

July 23, 2019

Well made valve and easy installation.
By Ron from Gloucester,MA

Verified Purchase

Replaced a broken "Y" valve on an old O"Day sailboat. Configuration of new valve was about the same as the old one so installation was very easily done. Valve operates with minimal effort, as it should and design clearly shows direction of flow.

Bottom Line Yes, I would recommend to a friend

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May 12, 2012

Marelon Diverter Valve
By Steve from Fairhope, AL

Beefy valve. Don't expect ball bearing like movement with the valve handle; this unit takes some heft for changing valve position, but for seldom used applications should prove very reliable. I would prefer that the hose barbs were longer for those times when you want a second ring clamp on the sanitation hose.

Bottom Line Yes, I would recommend to a friend

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