Quote:
Originally Posted by Worth1
At a good plumbing supply place that have wing handled full flow ball valves get your plumber to put one in for you.
Worth
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A small detail should be taken into account : when the valve is turned off the ball remains full of water : with a severe frost it will burst the valve, leaving a nearly invisible but leaking crack
. The whole pipe should be drained in winter and the valve left half open.