The Saturday Morning Plumber’s Quiz: Can You Name These 20 Hardcore Plumbing Tools?
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What curved pipe under your kitchen sink holds a small reservoir of clean water to block sewer gases from leaking up?
Explanation
The P-trap uses water gravity to protect your health. The dip in the curved pipe traps a small barrier of standing water, blocking foul sewer odors and gases from rising back up into your home while allowing waste water to flow out.