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post #4 of Old 02-18-2013
Faster
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Re: Head Backfill

According to Peggy Hall "Headmistress":

Quote:
This means that TWO vented loops are required in the discharge--one between the toilet and the the treatment unit and a second one between the treatment unit and the thru-hull. Both loops need be high enough to be at least 6-8" above waterline AT ANY ANGLE OF HEEL...if you put 'em too low, they won't solve the problem.
Not clear from the OPs description of this is what he has exactly....

Ron

1984 Fast/Nicholson 345 "FastForward"

".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)
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