On Sep 20, 5:32 pm, " wrote:
Thanks for your reply. There are floor drains in the basement but I
believe they go to my sump pit and are not part of the sewer system in
my house. I will try to get a ball valve.

--- I will try to get a ball valve.

Just curious....why are you opting for a manually operated ball valve
instead of a set-it-and-forget-it check valve?