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
Real tough to gravity fed anything into a non-vented tank.
As the stuff goes in the air in tank has to go out
When you drain the stuff out the air has to come back in
YES your waste tanks....black & grey have vents
1 1/2" ABS piping from top of tank to roof with a vent cap on end of it
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
As the stuff goes in the air in tank has to go out
When you drain the stuff out the air has to come back in
YES your waste tanks....black & grey have vents
1 1/2" ABS piping from top of tank to roof with a vent cap on end of it
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
