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The Boston Globe

Lifestyle

Handyman on Call

Why does his bathroom sink only leak occasionally?

Q. Our problem is that there is an occasional leak under our 1929-era, pedestal bathroom sink as well as an occasional leak from one of the pipes going into the wall. The two leaks are not always synchronized. How can the leaks be only occasional, and what could be causing the leak from under the sink? Will the sink have to be pulled up? We’re concerned about damage and expense. When we call a plumber, we want to know if what he suggests makes sense.

LARRY ONIE, by e-mail

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