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Bell Traps

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pedarrin

pedarrin

Mechanical
Joined
Aug 8, 2002
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21
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I am trying to remember why bell traps are prohibited by the International Plumbing Code, but cannot find any information about them.

Please let me know what is out there about them.
 
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The IPC prohibits bell traps becahse in the way they are designed, they tend to clog with debirs and their trap seal has a larger exposed surface area which accelerates evaporation. This is the way it is explained in the 1997 IPC commentary.

 
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