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Old 04-05-2019, 11:32 AM   #25
Island Cessna
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Join Date: Feb 2011
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Quote:
Originally Posted by psneeld View Post
And whether you need a crossover is debatable.



In some cases necessary or desireable...some cases not needed. My boat and many I have run does/did it have one.


Don’t forget that if both feed valves are open, and there is no air in the piping the top feed lines from both tanks are in fact a “crossover”, and will equalize the tanks as a siphon just as surely as a bottom connected crossover. You do in fact have a “crossover”, with the advantage that instead of draining both tanks into the bilge everything will stop if something in the crossover piping breaks.
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