PVC
#1
I just ran a pvc water supply line from the house to the garage. I tapped into the main water supply line which is copper. Do I need to put in a back flow preventor? And if so where would you put it?
#2
Join Date: Dec 1999
Location: Northeastern NC On The Albemarle Sound
Posts: 10,701
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If you tapped into your main water supply line on the house side of the main cutoff valve, you may already have a check valve installed in your main supply line near it.
Here, our public (County) water supply requires a check valve near the main house cutoff to prevent backflow in case of loss of water pressure. Check with your water department. I doubt that you need a check valve just for this new line. Good Luck!
Here, our public (County) water supply requires a check valve near the main house cutoff to prevent backflow in case of loss of water pressure. Check with your water department. I doubt that you need a check valve just for this new line. Good Luck!