Attached (I hope) is a picture of a fitting I am trying to identify. This fitting joins my PVC washing machine drain pipe to my copper soil pipe. I would like to know what it is called so I can buy another one without sounding like an idiot to the sales folks. Also, I am looking for application tips.

1. What's it called?
2. What is the clear rubbery sealant that was used to create the seal (feels like silicone)?

As I am moving my washing machine to a spot where access to the soil pipe is tight, this looks like it might be a good option.

I'm guessing under/overtightening and under/overgooping the sealant would be my major concerns, so I plan to buy extra fittings and pipes and practice.

Any advice is welcome.
aaron

Sorry, if it is not obvious, the picture has been rotated to the right by 90 degrees.

a "PVC clamp saddle" or "clamp-on saddle"
I haven't seen one actually used except for pools.
http://www.certikin.co.uk/Pipes+Fittings/PVC+Clamp+Saddle+Inch+x+Plain+Socket+Outlet.htm
This is an old-style version. The newer version uses PVC on both sides and bolts the two pieces together.

Sorry, if it is not obvious, the picture has been rotated to the right by 90 degrees.

Vicki was right on. It's a "Saddle Clamp". I've never had to use sealant on a saddle clamp as the pressure on the neoprene gasket should contain any drainage that you run through it, but if you want to you may use silicon gel around the edge of the gasket. good luck, Tom