Richard B. Emerson wrote:
> I really should bug Raritan about this but since I have your
> attention... [grin] The inlet line for our Compact II has a vented loop
> in it but the Compact II pump basically just sucks air (from the vent)
> so I've had to seal the loop. I'm not happy about that for obvious
> safety reasons but it's that or no commode so...
>
> Suggestions?

As Alan noted, the loop is is the wrong place. The intake vented loop
can't go between the thru-hull and the pump because it'll interfere with
the pump's ability to prime...it has go between the pump and the bowl,
to replace the short piece of hose toilet mfrs use to connect 'em.
Toilet mfrs don't include vented loops with toilets 'cuz they're only
needed in the intke when the toilet is at or below the waterline...so
you can blame whoever installed the toilet for putting it in the wrong
place.

Alan said, "Raritan actually makes this clear in their literature if you
can work your way through the language and find it."

Actually, Alan, the drawings on page 3 in the Installation, Operation
and Maintenance Instructions (which are on the Raritan website at
http://www.raritaneng.com/pdf_files/compact_II/L219compactIIv0502.pdf )
are pretty easy to find. :)

And yes, a vented loop in the intake IS needed when the toilet is below
the waterline...relying on the wet/dry valve to keep water outside the
boat from finding its own level inside the boat via the toilet bowl is a
good way to sink a boat. It's due to owner ignorance and failure to read
instructions that you see so many installations that don't have 'em. As
an example, someone on another site recently posted that when he
replaced his toilet, he was about to get rid of about 8' of intake hose
because his new toilet already had a short hose connecting the pump and
the bowl. Fortunately, he hadn't tossed it out yet. I'd also estimate
that more than half of owners don't know to close all the seacocks when
they leave the boat either.

>
> Also, going back to plumbing in general, comments on using hard pipe?
> It's my impression this is stuff better left on shore than used in a
> boat; houses don't move, boats do, and that can cause cracks in hard
> pipe or fittings. Comments?

Your impression is correct. It's not recommended except on very large
vessels where there are long straight runs. Stick with hose. And btw,
AVS96 is as stiff as an ironing board, so you'll need inline radius
fittings with it.

> I redid the plumbing in our Baba 35 after a "rock star" Annpolis boat
> installation whiz bungled the job (e.g., I pulled out 10' of excess
> hose!). The discharge from a LectraSan (found that if we really keep it
> salty, it works like a charm) can either go overboard or the holding
> tank. I used a new Jabsco Y-valve (the new, big, black one, not the old
> "sliding plate" design). However, I suspect there maybe some small
> amount of leakage into the holding tank even when overboard discharge is
> selected. Again, comments?

If the new Jabsco has come out within the last year, I haven't seen the
inside of it yet...but I'd bet real money think if you take the Jabsco
Y-valve apart, you'll find that it too just has the "plate" that swings
from one side to the other, inside of a barrel inside. I've never seen a
Jabsco y-valve that wasn't made that way, or one that didn't leak. But
as long as it's only leaking into the hose that goes to the tank, I
wouldn't be too concerned about it...a little salt water in your tank
won't hurt anything. But when you start to notice odor aroundd it, I'd
replace it with a Whale.

> P.S. And you thought this might be a nice quiet place to hang out
> without a lot of questions... [LOL]

<lol> I'm glad to be able to answer 'em! It always starts out like this
any time I'm new on a list, till all the questions everyone has--or has
ever been meaning to ask someone--have been asked and answered. Then I
don't have much to talk about...till the next time someone has a potty
problem. I'm on nearly 2 dozen sites/mail lists...fortunately, there are
usually questions for me on only 3 or 4 at time, or I'd never be able to
leave my computer! :)

--
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://shop.sailboatowners.com/books/detail-books.htm?fno=0&sku=90&cat=1304


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Received on Wed Jan 04 08:10:08 2006