weird piping

I have a 225cm wide, 45cm high radiator on a standard vented, 8mm microbore two-pipe, fully pumped system. I am getting rid of its old twin entry radiator valve to install a trv, so I need to decide where to position it and the lockshield. Easiest option would be TBSE (top-bottom, same end) on...

We are getting ready to remodel a laundry area in the garage. There is a grey cpvc pipe coming from the kitchen sink to the laundry area. It's about 6' away. It makes a loop and then returns back under the kitchen sink and is connected to a 3rd supply line. I want to disconnect this loop. I can...