The Saturday Morning Plumber’s Quiz: Can You Name These 20 Hardcore Plumbing Tools?

Question 15 / 20 3 Minute Reveal 0%
15

What inline plumbing valve prevents water pumped out of a basement sump basin from falling back down after the cycle?

What inline plumbing valve prevents water pumped out of a basement sump basin from falling back down after the cycle?

Explanation

A Sump Pump Check Valve contains a rubber internal flapper that acts as a one-way gate. Water can push out under pressure, but gravity closes the flapper, preventing dirty discharge water from falling back into the pit.

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