What it means
Plumbing traps maintain a water barrier between living spaces and the drainage system. P-traps and S-traps are common shapes, with P-traps preferred because they resist siphon better when properly vented.
Double trapping or missing vents can cause slow drainage and gurgling. Traps must be accessible for cleaning when installed on floor drains and specialty fixtures.
Why it matters in Santa Cruz County
Remodeled Santa Cruz kitchens and bath additions sometimes hide traps inside walls against code, complicating future clog removal. Historic homes may still have outdated trap configurations worth updating during renovation.
Homeowner tip
Never remove a trap to fix a clog permanently; the water seal is what keeps sewer smell out of the room.
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Related glossary terms
Also explore the Septic Glossary or call 831.225.4344 with questions about your property.