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Old 05-07-2006, 11:30 AM   #7
Illini Trekker
Montana Master
 
Join Date: Dec 2004
Location: Bum F Egypt
Posts: 979
M.O.C. #2733
Think it might be the volume of water contained in the hot water system verses the amount of water in the cold water pipe alone? This IMOP causes the surge in the cold water side.
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