Originally Posted by Jack L
There is another roof vent or vents that are important. The small vents that are about 5" in diameter are for waste water tanks and allow for the black and grey water tanks to drain. I have one vent/skylight, 2 waste water vents and a refrigerator
vent as well as the AC unit which all have to be monitored and maintained. Hard to avoid any of these.
On my trailer the graywater vents through the floor, the blackwater vents through the wall,as does the refrigerator
, and the roof vent... as the name implies, was designed vent through the roof.