The Ultimate Waste Tank Disposal Post
I've seen so many posts on this topic that I decided to write up everything I know about the three main ways to empty your waste tanks. In practice, there are only three popular ways to empty you...
Forum Discussion
wa8yxm wrote:No, not really. Waste tanks are designed with a roof vent to release sewer gases and water plugs to prevent gasses from entering the coach. Even with a 3 inch hose, the risk of sewer gases entering the coach is nominal, but it is reduced even further with 1 inch hoses that usually have sufficient water in them to block the gasses.
With ALL methods valves need to be kept closed to prevent sewer gas backup
