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Is there any chemical to remove excess solvent that is partly blocking water flow in 3/4 inch PVC pipe ? (the exact location of the restriction/restrictions is not known)

  • "Solvent"? What does that mean, exactly? Did you mean pipe cement? – isherwood Feb 28 '16 at 17:31
  • I cannot think of a way that pipe cement could be blocking a pipe. Is it a very small diameter pipe? Was pipe cement poured into an elbow fitting? – Yehuda_NYC Feb 29 '16 at 15:07
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"Shoving " anything solid into a PVC pipe is an almost sure way of breaking it. I have come across a few cases similar and usually found the most economical way is to cut out the area that is blocked and replace with new PVC or PEX. I would recommend this even if it means replacing some wallboard.

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No, there is not.

Any chemical that would to that would also dissolve the pipe. Cut back until you find/remove the restriction and then replumb it properly.

  • If pipe is straight, you can sometimes shove a long rod or flexible thing down there to crack out the blockage. Depends on your setup. – Wayfaring Stranger Feb 28 '16 at 16:50
  • But you'd need to know where it was partly plugged for that. – Ecnerwal Feb 28 '16 at 16:52
  • A hand auger will usually knock the glue film out. Usually the blockage is quite thin for the problems it causes. – Ed Beal Feb 28 '16 at 17:23

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