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Old 06-25-2017, 11:36 PM   #1
Join Date: Feb 2014
Posts: 54
fresh water tank drain issue?

Hopefully I can explain this well enough...I have a Fresh Water Tank Drain that is the type with some sort of fitting with a hex(to put a wrench on) going into the bottom of the tank. Under the hex portion of the fitting is a threaded portion that you screw on a cap to retain all the water in the tank of course. Anyway, as I attempted to screw the cap back on after draining the tank today, the fitting itself started to spin(probably just over-tighten the cap)...I noticed right away so it only spun maybe a millimeter. I then held it in place firmly with a wrench to prevent any further spinning. My question the fact that the fitting spun mean that the fitting has broken loose from the inside of the tank and the fitting will now leak out the fresh water? Does anyone know how this fitting is it just a threaded fitting with sealant on the threads or some kind of "plastic welded" fitting and it should not ever spin unless the plastic welds failed? Can't test for leaks yet as in my panic, I decide to try to silicone around the fitting to "help" keep it from spinning and combat any possible leak now that the fitting has spun slightly...have a trip coming up in a couple days.
The tank is on a 2014 Rockwood Roo 21ssl if that helps...


2014 Roo 21ssL...towed by 2015 Ram Power Wagon
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Old 06-26-2017, 08:52 AM   #2
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Join Date: Jan 2016
Location: Idaho
Posts: 5,246
Put some water in the tank and test it, just because the fitting turned a little does not mean it will leak. In the future always double wrench fittings (as you know now) most of the time the caps really don't need to be wrenched tight to not leak. Let the forum know the results.
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drain, fresh water, tank, water, water tank

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