Thread: Head Plumbing
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Peggie Hall
 
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bushman wrote:
I have planned a vented loop at the raw water intake seacock...


If you put it there--or anywhere in the intake line before the pump--the
toilet will pull air into the line, preventing it from priming.

Intake vented loop has to go between the pump and the bowl...to replace
the short piece of hose the mfr used to connect 'em.

and the
discharge seacock. The holding tank inlet will be about 2" above the toilet
pump outlet.


I recommend that you put a loop in the head discharge line that's above
the tank...to prevent waste from running back toward the toilet when the
boat is heeled. Put it immediately after the toilet, so that waste only
has to clear the top of it--and btw, any manual toilet that's working
anywhere near factory specs can move bowl contents over the top of a
loop (up to 6', in fact) in the dry mode--then it's downhill into the
tank.

I am adding a second vent.


Go with 1" and use open bulkhead thru-hull fittings.

--
Peggie
----------
Peggie Hall
Specializing in marine sanitation since 1987
Author "Get Rid of Boat Odors - A Guide To Marine Sanitation Systems and
Other Sources of Aggravation and Odor"
http://www.seaworthy.com/store/custo...0&cat=6&page=1
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