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P Trap for drainage

P Trap for drainage

P Trap for drainage

(OP)
dears

we have project and we install (P-Trap ) on each floor drain point . the supplier bring the floor drain it self with ( S trap ) . is there any Problem to keep the (P-trap) ? i.e we have (S-trap ) on the floor drain and the n we have (P-Trap ) on pipe Line

RE: P Trap for drainage

You should never install two traps in series, and most if not all plumbing codes prohibit the use of S - Traps. The reason being is that it is now possible for the traps to self-siphon and lose trap seal.

Use only the P-trap.

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