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Old 12-02-2013, 05:58 AM   #7
DonandJudy_12
Montana Master
 
Join Date: Feb 2005
Location: Sioux Falls
Posts: 729
M.O.C. #3206
I think the purpose of the automatic switchover is to prevent having to open the valve in the dead of night- Anyway, I always open the valve after installation so I can spray test for any leaks- JHMO- Don
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