I'm trying to replace the bath taps. I'm at the point where i've removed one, but can't get the 2nd one off. They are connected differently (go figure).
See attached image:
As i'm new to plumbing i don't know what type of join this is, and haven't been able to work it out, hence can't find out whether i should be able to just unscrew it.
I've tried using a wrench (and WD-40) but all i end up doing is twisting the pipe, which is curved. If i hold the pipe to stop it twisting i end up tilting the tap tail. It really seems like this join doesn't want to come off.
I've felt under the nut, and it seems like its a single piece from what i can tell, not sure if the extra thick piping below is part of it too??
My question is:
What type of joint is this? How can i undo it?