Is there any black PVC ?
It is possible that the fittings that were used were schedule 80 PVC while the pipe is only schedule 40. It is an odd combination due to the more expensive cost of the fittings. I have seen this done when the schedule 80 fitting is readily available an the schedule 40 is not. Schedule 80 is a stronger and more expensive. It is also dark grey in color. There is no reason that the combination wouldn't work in a situation that only required schedule 40. The outside pipe diameters are the same.
Daniel S. Bell
Cabinet Installation Medford, Oregon
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Last edited by Dansbell; 09-15-2007 at 01:08 AM.