My post on this topic did not get posted Jan 14. Main line (PCV) between pump & house broke just shy of a T junction. It is too close to put on a collar. Will an interior piece put too much water pressure on the pipe? Or should I relace the entire T-junction? Thanks for advice, Katcan
_If_ you can find an 'internal' piece that fits snugly just like the normal fittings, then, no, it won't cause a pressure problem. AFAIK there are no PVC pipe or fittings that will do that but then it has been a long time since I had to do any looking.
Without seeing the problem, my guess is you will have to cut out the T and replace it.
Harry K
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