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Old 10-22-2018, 10:33 AM   #1
Join Date: Sep 2018
Posts: 42
Leak in Drinking Water Tank

When trying to straighten out my drinking water gravity feed I was finally able to fill my tank. I then discovered a very very tiny leak at the bottom where the PEX exits to the water pump. I put a rag underneath it to absorb the water. See the attached picture. I was going to wrench the black fitting tighter but then thought it might be just one piece and I might break it and have a big mess. Any suggestions on how best to handle this?

BTW, the gravity feed on this RV is terrible. There is probably only 1/2"-1" of fall between the outside inlet and the tank inlet which results in a sag along the hose that is almost impossible to get rid of after I worked on it for half the day. I finally gave up. The only way I was able to fill the tank was to take the suggestion found in one of the threads on the board and insert a old washing machine hose I had on hand and fill it that way. This presented a pain because then the only way to get the Clorox solution in there to disinfect was to fill the hose first. Since I couldn't get all the solution in there I was left only putting in the Clorox bleach full strength into the hose. Of course some of this leaks out as you fill the tank and is messy as hell.

Any better ideas on this?
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2014 Sunseeker 3010DS on Ford Econoline E450 Chassis

Newly Retired!!!!
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Old 10-24-2018, 10:26 AM   #2
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Join Date: Mar 2017
Location: Ontario
Posts: 98
just a suggestion drive the front wheels onto 2 boards to raise the front then the gravity feed will work 100 times better even if there is a sag in the feed line.

as for the leak you can try cut the pex crimp remove the line take out the pvc 90 teflon tape it reinstall it and re crimp the line.

good luck hopefully you get it figured out I hate water and I especially hate leaks.
2013 Forest River Sunseeker 3010DS
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leak, tank, water, water tank

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