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pressure in sewer

  1. General Plumbing Discussion
    I am starting to lose faith in "Studor" or at least the engineers who design the systems. On more then one occasion I have come across commercial jobs with engineered W&V systems which always seem to have issues maintaining proper air flow. The main problem I have found is the systems starving...
  2. Commercial Plumbing
    We are doing a major TI in a 2 story medical building. During demo and while tying in to the waste system we experienced more blow back of sewer gas than I've seen in 30 years of plumbing. The building is less than 5 years, cast iron, and drains fine. The General Contractor, and Owners Rep. want...
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