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Product Details

Moeller anti-siphon valves prevent against fuel loss in the event of a fuel line break. This design combines anti-siphon protection with the convenience of a hose barb. Valves are brass or aluminum with NPT thread. Barb fitting sizes are available for either 1/4 inch or 3/8 inch ID hose.

See chart below for sizing.

Tech Specs
Part Number Barb fits hose ID: NPT thread Diameter Metal
MOE-033801103/8" ID hose1/4" NPTAluminum
MOE-033802103/8" ID hose3/8" NPTAluminum
MOE-033805101/4" ID hose1/4" NPTAluminum
MOE-033806101/4" ID hose1/4" NPTBrass
MOE-033807103/8" ID hose1/4" NPTBrass
MOE-033808103/8" ID hose3/8" NPTBrass

Reviews for Moeller Aluminum Anti-siphon Valve

2 of 2 Reviews

June 29, 2013

Mine are fine
By Eddiet20 from LBI NJ

Perfect seal, spring pressure keeps ball tight against fitting until vacuum is applied allowing fuel to flow

Bottom Line Yes, I would recommend to a friend

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June 12, 2012

Defective
By Ben from Virginia

The check ball rattles around and does not seal. You would think that a safety device would be made better. Now I know why a lot of people throw these in the trash and use a strait fitting.

Bottom Line No, I would not recommend to a friend

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