Hot tub repair, 2" PVC manifold fittings that cracked in winter, due to control failure.Had to cut off 2" pipe flush with manifold, and pipes have very little flex, or space, so my thought is slip an "internal repair coupling" into the pipe on one side, line up other pipe and slide half way back. Obviously regular PVC cement will grab too quickly, so I need some sort of adhesive that will give me time to maneuver things into place. I am NO plumber. Removing the fittings and replacing them is problematic, as these 5 port manifolds each have 5 pipes that then need replacing. Now I would have 1x2" and 10 x 1" pipes to replace plus a LOT of spray insulation stripping.