Holding tank vent
We are having our black tanks emptied by a company and they asked if our tanks were vented. We have a 2010 Cameo and I'm not sure because it's up at the lake. I would think that with it being new en...
Forum Discussion
Old-Biscuit wrote:
Real Concern with using a 'pump out service' is the amount of vacuum they use
There is NO reason/need for them to crank up the vacuum on their truck above 5"-6" of vacuum (vacuum pump at idle is sufficient)Too much vacuum even with a vent tank could collapse the tank. They are NOT built for a vacuum and too high of vacuum the VENT may not be enough to keep tank from collapsing.
Sounds like the pump out company has a good understanding ----asking about tank venting
IMHO they are asking that question because they do not have a good understanding of RV's. :W
When we are at sporting events we use a commercial pumping service. The first time I had mine done I tripped out. They didn't hook up the vacuum, they had a bucket and opened my black tank lever and let it go in the bucket and their vacuum hose took it from the bucket.
They told me to "never" let a commercial fully vacuumed septic tank company hook up directly to your tanks. They can and DO collapse and if they don't over time it will weaken them and plumbing connections.
