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Old 09-13-2016, 06:37 PM   #11
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Join Date: Mar 2011
Location: Ottawa Ontario Canada
Posts: 799
I had one of these things in my 05 coachman clipper.
They are designed for flip down sinks... the hose split after 4 the same time the lift system gave out on the trailer.
Looking at that pic just brings back very bad memories.

2008 Nissan Frontier 4x4
2011 Rockwood A122
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Old 09-14-2016, 01:44 PM   #12
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Join Date: Dec 2009
Location: Napa Valley, CA
Posts: 370
I just installed one of these on my A128, replacing the stock 1 1/2" drain with standard trap. I had already removed the water filter, and use an outside filter instead.

It did open up more storage space under the sink. The only disadvantage I see is that grey water will drain somewhat more slowly, due to the smaller diameter of tube (approx. 3/4") and smallish opening in the white cup under the drain - a large chuck of food or debris might be more likely to clog this drain.

If just flushing soap and water, it should not be a problem.

2015 Rockwood A128S
2010 Rockwood 2604
2014 Ford F-250 CC SB 2WD
2008 Toyota Sequoia 2WD
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Old 09-15-2016, 10:28 PM   #13
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Originally Posted by mudman2 View Post
They may have the p trap due to local building codes whether it's needed or not. I can't imagine a sink or toilet installation without a trap.

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2015 t19qbhw
2015 Toyota Tundra crewmax lmtd

I installed one of these drains on my A-122 today. The part that attaches to the bottom of the sink is designed to function as a p-trap to prevent odors from flowing up the drain line. More under-sink storage now.

2012 A-122
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Old 09-18-2016, 07:43 AM   #14
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Posts: 6
Originally Posted by tjwoody View Post
These A frames really don't need a P trap since the only "sewage" is gray water that goes directly out to a catch container of some sort that we empty manually. There's really no sewer gas to trap.
I'd guess that if you connect the A frame to camping sewage, then the P-trap would be usefull (required!)

But we never did that (so far) and have a catch container, so if I ever see it leaking again, I'll replace the trap with a direct connection. Thanks for the though.


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