Drain traps create a seal that prevents sewer gases from flowing out of the fixture and into your home or business. Plumbing code requires that all drains have traps. If you place a bowl under a leaking trap or drain pipe, you may prevent waste water from contaminating and warping cabinets or flooring, but this will not protect the trap seal. If any part of the drainage system under your sink, lavatory, laundry tray, or laundry service is leaking, you should eliminate this potential source of water damage and contamination by employing a licensed plumber to service the trap or drain.
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