Thank you all for the great advice. I will go with copper. I will post the pics when I am done. Dilip
Thank you. Should I use copper or pvc considering the sun exposure? Dilip
I want to correct the backflow problem (inherited) on one ASV that feeds the sprinklers on a slope. Since the ASV is adjacent to a wall in the backyard (visibility not an issue), I can raise it 8 feet high to clear the highest sprinkler by 6-8". Please advise if this is a good/practical solution. I am trying to avoid the cost of installing/maintaining the RPZ. Thank you. Dilip
