Is it from your heating? If the heating is drained, you can demount them fittings quite easy, unscrew and put 2 fingers around the collar and full but it looks like its in a git of a place.
If you can get it from below, id cut a bigger hole out and get someone above to hold the fitting and try and push it in.
On they fittings once inserted and tightened right they are flush like the others, looks like a john guest fitting.
Might be able to use the capped pipe as a leverage point and use something against it to put it on. Maybe can get some grips around pipe or pushfit too.
The only reason I didn’t say, is incase you push it and then rupture something else. If he has big enough grips might be able to use them to pull the pipe into the fitting
Is it from your heating? If the heating is drained, you can demount them fittings quite easy, unscrew and put 2 fingers around the collar and full but it looks like its in a git of a place.
If you can get it from below, id cut a bigger hole out and get someone above to hold the fitting and try and push it in.
On they fittings once inserted and tightened right they are flush like the others, looks like a john guest fitting.