Love them things. Hadda put a joint in a tight spot surrounded by wood, looked for something I could use without flame, found the sharkbites. Long as the o-ring doesn't leak some day. Hasn't yet.
Originally Posted by soft 02
The reusable one I used has a silicone top and bottom with foam adjustable center.
Mine were a metal ring with a rubber or silicon gasket on top and a soft rubber tapering tube underneath that went into the iron pipe. Been working fine for... well over 10 years anyway.
My worst plumbing job (worst to do, not worst result )
My favorite plumbing tool - when the job is in or under concrete, doesn't shake bad at all