Originally Posted by LETMGROW
I use anti freeze and I did notice water runs down into the vent when the lever is pulled. I am wondering about those who blow their lines out with air and don't use anti freeze. Where does the water caught in the trap go? If it drained completely out you have that opening from the toilet base up to the opening.
My toilet is a Thetford with the lever you pull not a foot pedal.
I never use antifreeze in my water system
... and I've never blown out the water lines with air
When I winterize my coach I simply gravity drain everything... and I've never had a freeze problem.
'96 Safari, (mine since '01).