Is this a check valve.
That is a Pickup Tube, threaded into a fuel tank, with an Anti-Siphon Valve threaded into the Pickup Tube.
And of course fuel line is attached to the anti-siphon valve.
Dual Mercury Master Technician- for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC.
Still consider myself a "Marine Apprentice" after 47 years (learn something new every day).
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