There is 2 in of water in the u trap under the sink. The pressure in the tank while braking at highway speeds is as much as 6 in of water. This number goes up and down as the fluid seeks level. So I am to expect mirrors, cabinets and trim molding to fall off on a motorhome that cost about 3 times what my first house cost. I'm expected to re plumb the sink? We often take 4 kids across country and we were told to drain tanks before leaving and by supposition not to use them?
Apathy from consumers is what allows coach manufactures to continue to crank out this kind of crap. I'm an engineer and a medical doctor. Wonder if people would like the kind of shoddy work from me when I put them to sleep?
Thanks for the suggestions. I will look for the stuck open valve that one fellow spoke of.
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