Black Tank only holds 1/2 to 1/3 of capacity
I recently (August) bought a used 2017 Catalina Coachman. Found out about a week later that the black tank valve had been left half open. Currently I am having to dump the tank about every two days (t...
Forum Discussion
Typically there are three sensors on the holding tanks.They are typically spaced at 1/4, 1/2, and 3/4 of the height/depth of the tank. Monitor panels are typically labeled 1/3, 2/3, and full. With this setup when the monitor panel shows full the tank is actually 3/4 full. Or leaving 1/4 of the capacity remaining.
