Reply To: DMV Manometer Test, How?

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#299843
Robert Stephen Morton

To fourth year. In Australia we use manometers for testing Gas lines, I read your answer with interest, not that I wish that this happens in Oz, but it is a different concept of Plumbing. We use Air to test main Sewer lines at 30kpa for 3 mins, for domestic sewer lines we water test to 10 ft head we can air test domestic lines but to seal off all risers would be a big task so water is the preferred test. I believe that with the worsening situation of potable water we may have to end up with a manometer test.

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