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Old 01-29-2022, 11:54 AM   #12
twindman
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Join Date: Apr 2006
Location: Mesa az
Posts: 2,962
M.O.C. #5651
Question for everyone- I have always thought that water lines are only a problem if they are 'sealed'. i.e. valves closed. The water expands and if there is no where to go, it bursts the pipes. So any drain shouldn't be an issue in my opinion as the expansion (like in the p traps) would just go up the pipe. Am I wrong here?
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