The Saturday Morning Plumber’s Quiz: Can You Name These 20 Hardcore Plumbing Tools?
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What sticky, gooey ring goes beneath a toilet base to seal out both leaking water and sewer gases?
Explanation
The toilet wax ring is a simple but vital seal. Made of petroleum wax, it sits between the closet flange and the horn/outlet under the bowl, forming a gas-tight, waterproof seal that lasts for decades unless the toilet is moved.