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Old 04-15-2011, 02:59 PM   #8
rwidman
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City: North Charleston, SC
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Head Flush - Raw water vs Fresh water

Quote:
HeadMistress wrote:
However, you cannot just decide to connect a sea water toilet to the onboard fresh water supply. That cannot be done without risk of e-coli contamination of the fresh water, damage to the toilet, or both and EVERY toilet mfr specifically warns against it in their installation instructions.* ONLY toilets that are designed by the mfr to use pressurized flush water should ever be connected to the fresh water supply.*

Agreed! (Says the guy who learned much of what he knows about boat plumbing from reading your book.)

This is very important and a simple check valve is not the solution some folks think it is.* What you're doing is taking a chance of drinking pooh!

It's called "cross contamination".

Now if you want to keep a bucket next to the sink and fill it with fresh water and dump it into the head to flush it, that's OK.* A pain, but OK.

To answer the original question, seawater may contribute to the odor problem, but you're not likely to run out of seawater.* I installed a filter between the seacock and the head intake to trap marine life that would otherwise be drawn into the head and decompose.* This has cut down on the odor problem considerably.
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-- Edited by rwidman on Friday 15th of April 2011 04:02:47 PM


-- Edited by rwidman on Friday 15th of April 2011 04:03:58 PM
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