I'm in the process of fitting a new Dudley Turbo88 syphon and a Torbeck inlet valve to my loo. Had to remove cistern to take out old syphon and had a real job to undo connection to old water inlet valve (no room to wield the pipe grip - needing lots of tiny movements to turn it). Blood, sweat and tears, plus a few swear words!! Anyway, it's off now, but another reason it was so hard to turn was that there was a pushfit tap adapter connecting the service valve and the inlet valve (bottom feed). The whole of the pushfit had to be turned as opposed to just undoing a nut. I've uploaded a photo to show the connection. What I would like to know is if this tap adapter is suitable for this application (hasn't leaked or anything so far) or should I remove it and replace with another fitting. It seems an odd sort of connection to me, and was fitted by the previous occupants of the house.. Any advice will be greatly appreciated. Thanks.