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Kitchen sink drain hose on 02 Patriot

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Bill Johnson:
The kitchen/galley on our 02 Patriot has a flexible drain hose that I have had to replace twice due to wear caused by the opening and closing of the slide.  I am wondering if you have suggestions for a more rigorous yet flexible hose.
Bill

LarryNCarolynShirk:
Hi Bill,

I do not know if it is better, but the least expensive replacement I found was the flexible water fill hose used in many trailers and fifth wheels.  They have a gravity feed water fill the same diameter as our drain line under the kitchen sink.  It looked identical to the original.  Most trailer supply stores carry it on a roll, and sell it by the foot.  I replaced mine in Las Vegas about 3 years ago, and have had no problems since.

Larry

Joel Weiss:
Hi Bill--

I also have a Princeton model so I have the same wear problem with the drain hose.  I had a serious leak a couple of weeks ago on a weekend in a small town where there were no RV dealers nearby.   After some serious thought I decided that the best approach was to cut off the damaged last foot or two of the hose and then splice in a hose of similar diameter--if I could find one.

The solution I came up with was an automobile radiator hose and some plastic "barb" fittings I found in the outdoor shop at Home Depot, plus some standard hose clamps.  Radiator hoses come in variety of sizes and I was able to come up with one that worked.  I think the radiator hose will withstand the repeated flexing better than the plastic drain hose was able to.  Consider that it's designed to be used in an environment with heat, vibration and nasty liquids.  

Joel

Bill Johnson:
Thanks Larry and Joel,
Now the fun of getting my old joints to bend enough to gain access to the hose.
Bill

Joel Weiss:
With the drawer in the cabinet under the cooktop removed I had just enough dexterity in my joints to reach the plumbing pipe into which the drain hose is connected.  Once you unhook the hose  from the pipe there is plenty of length to pull it towards the drawer front so you can splice in the new section.  A new piece of hose, a piece of pipe to couple new hose to old and some hose clamps.  The whole repair took less than 30 minutes once I had all the stuff.

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