You are buying on a 2" Spigot X 2" Slip Slice Gate Valve. The Valve recieves a 2" pipe or fitting (Which is about 2 3/8" Inside Diameter) on one side and then slips inside of a 2" fitting (Which is...
"Magicmend" Pipe extenderSimply cut the bad fitting and remove it from the system. Glue the correct size Magicmend into place and replumb your new fitting
