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Old 01-05-2005, 07:42 AM   #6
Thunderman
Montana Master
 
Join Date: Feb 2004
Location: New Braunfels
Posts: 664
M.O.C. #920
Seems like there were post's on this subject recently. I think there is a check valve which can be installed in the hot water line close to the tank. Might do a search. Good luck!
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