Forum Discussion
creeper
Aug 16, 2015Explorer
Old-Biscuit wrote:
My point is you should NOT smell anything....poop/chemicals etc. unless something has failed.
Mechanical vapor barriers are designed into grey/black tanks and drain lines.
Understand what those vapor barriers are/how they work........fix them if not functioning correctly.
Just like a HOUSE.......vapor barriers stop odors. DO you use chemicals at home to mask drain line odors.
NO.....why not
House has water in toilet, toilet floor flange seal, 'P' traps, roof vents and some even use Air Admittance Valves and the drain lines are connected directly to sewer/septic systems w/o any valves in between so your neighbors poop could stink up your house but it doesn't.
Same as the RV. Gotta a smell...something is broken. Find it/Fix it.
Folks make RVng complicated when they aren't
It's not like a house. A house is not bounding down the road at 60mph with changing pressures. A negative pressure can move gases past p traps and why you often have smells when moving down the road. Kinda like when you open your window and that important paper gets sucked out the window.
If not for negative pressures and expanding gasses you'd never smell anything. An open vent, an open window, an A/c return coming on can change the pressures and pull odor through a p trap that is sloshing around or in from the sewer vents on the roof.
That's why those sewer vent contraptions work so well, they make sure the venting system is working properly and help alleviate negative pressure issues.
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