Class A Motor Home that we recently purchased. The Toilet is on the opposite side of the sewer drain. We have a few issues. 1. The gauge always reads 2/3 full even right after we drain it. Can it...
Clearing up what you mean by releasing will help us understand your issue. Also, you should leave your black tank valve closed until your tank is full. If you are at a site with a sewer connection, don’t leave your black tank valve open. Use lots of water when flushing.