Hey. I've got a question.
We recently moved into a house that has frost free outside water bibs. One was leaking over the summer, so I bought a replacement o-ring and disk assembly for it and installed it. It seemed that the valve dribbled slightly after that, but the change did slow the water leakage, so I just tightened the cap further, and all was well.
Apparently, there is no need to shut off the valve and drain them for the winter.
My question is, how can you be sure that they work, that the vacuum prevents them from freezing?
I do not have any shut off valves at the water main line for them, and I don't want to find out when it gets cold that I should have done something. The basement is developed, and I cant even see how the water lines are run to these to trace them.
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