“Installed 2 of these. Allowed me to splice in a new section of 4" PVC to my existing 1930s cast iron drain stack which was broken and badly leaking. Easy to install - recommend deburring the edges of the cut pipes.”
“It works. Seals 4" cast to 4" PVC just fine. Just make sure your cast is smooth. Plumbing supply picture is not correct. Rubber is thin but it is okay. Just look inside the rubber to see which direction it goes.”
“Coupling does great for my pool pump connection. Using on the suction side. The shield is a big plus as it should help protect from sun damage and reinforce the rubber coupling.”
