How do I use this plumbing setup (Head)? - SailNet Community

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  #1  
Old 01-13-2011
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How do I use this plumbing setup (Head)?

So I have noticed that this set up is semi strange, or at least I think it is strange. It appears to have a reverse bilge pump going to porta poty and then a small hose leaving porta poty to threw hull out the side of boat. Help. How would I use this? Is this a direct discharge or do I have an option to use porta poty holding tank...
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Old 01-13-2011
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Maybe the small hose is the inlet to flush the head into its built in holding tank. And the larger hose with pump will allow you to empty the tank overboard.
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Old 01-14-2011
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Looks like a flux capacitor, enjoy your time tavels.....
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Old 01-14-2011
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That looks like a Blakes Lavac heads. Excellent bog. The toilet lid forms a seal with the bowl. You pump that handle and a vacuum is created, drawing water in via the small line and emptying to the holding tank or overboard.
There's practically nothing to go wrong. The key is the seal around the bowl, when that go's you need to kneel on the lid when pumping until you replace the seal!
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Old 01-14-2011
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step one: unzip pants
step two: etc etc etc

mine is similar, but the pumping action is only for flushing, not pumping out--i believe. mine has a switch for wet/dry pumping.

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Old 01-14-2011
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If the large screw off cap has anything to do with it then it definitely is not a Lavac as mentioned a few posts back.
As I recall a porta potty has 2 sections, the seat part and the tank/base part. There is a sliding plate that closes the tank off from the seat part. The pump shown has to be for sending the waste overboard. A better picture would help though.
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Old 01-14-2011
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That's probably an MSD-variant of a porta-potty. But without better photos it is hard to say for certain. Some porta-potties have fittings for a deck pumpout fitting.
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Old 01-15-2011
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yeah. I figured the white line pumps sewage out and the clear line brings water in? I have no clue. Ill take more pictures.
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Old 01-15-2011
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I assumed the knurled cap was on a jug of bleach in the foreground! The pump system looks just like that from a Lavac.
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