Y joint for sewer drains

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hoffmande

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May 1, 2018
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We recently purchased a new 5th wheel that has 2 bathrooms and 2 separate dump sites.  Does anyone have experience with the Rhinoflex "Y" joint so you can dump both ports at once. The sites are about 10 feet or so apart.
 
I have one, although i seldome ever use it.  I just alternate between draining the two tanks.  If staying extended stay, it could be handy I suppose.  It is a well made unit though.
 
hoffmande said:
  Does anyone have experience with the Rhinoflex "Y" joint so you can dump both ports at once.

Yes and I used it many times in the past... but  Suggestion

Find out what goes into each tank, you likely have only 3 tanks

BLACK, both toilets (if one is a Vacuflush or macerator type (same thing two names))
GRAY, non toilet waste INCLUDING the Kitchen sink
Wash (My Rear tank is Wash) NON-Toilet EXCLUDING the kitchen sink (Two lavs and a shower only)

I got an adapt-a-cap fits on the 3" port and has a garden hose fitting.. And a GRAY hose (Gray-ish water gray hose) 25'. Way easier to handle than the 3" 

On the Y I have a matching adapt-a-cap.. Also on some of the elbows I have drilled out the flush fitting and hook the hose up there..

And finally on the rare occasion where I use my portable macerator the "Nozzle" (part that goes into the hole in the ground) has dual 3/4" hose fittings, gray and "other".
 
I connect the galley waste tank with a garden hose connected to this: http://www.valterra.com/product/ez-coupler-90-sewer-adapter-thread-attachment-red-carded/?pcat_id=1794 and this: http://www.valterra.com/product/drain-adapter-for-gray-water-carded/?pcat_id=1454  You will also need a female to female coupler for the garden hose like this: https://www.ebay.com/p/Melnor-Double-Female-Hose-Adapter-per-6-Each/1328352451?iid=152990105932&chn=ps  No need to drag out a 3" hose.  I use the same hose, after flushing it out, to do the black tank flushing.
 

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