Posted by jack on August 31, 19100 at 08:07:31:
bringing water via 1/2" cpvc out to deck. what to be able to blow out line in late fall using my air compressor. what cpcv connection do I need in order to do this end-of-season chore? should I place this connection after the shut-off valve? Final question that I can get answered at bldg inspector's office but thought you might know: do I have to place some kind of back-flow prohibitor in the line to prevent contaminants from coming back into house water supply?

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