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Scott3120
Jul 18, 2015, 01:18 PM
How does a bell floor drain work?

massplumber2008
Jul 18, 2015, 01:30 PM
Instead of a PTRAP, A bell floor drain relies on its bell shaped strainer design dipped into water to keep sewer gasses from entering a home... problem with these is that they are famous for drying out or getting mucked up with gunk and eventually siphoning dry. They are illegal everywhere that I know of...

Mark