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Adding a vent

I want to add an air vent on a 6" schedule 40 hot water heating main. Do I have enough wall thickness to drill & tap for a 1/4" nipple, or is a saddle tee the way to go?


  • SWEI
    SWEI Member Posts: 7,356
    You should have no problem drilling and tapping that, barring some kind of massive corrosion.