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Wednesday, February 16th 2005, 6:10am

Author: dustyroad

Fix Old Spray system

My front yard has a developer installed sprinkler system, installed 12 years ago, that worked ok until I had to install several new sprinklers and all new valves. Now I can not get enough pressure to raise the sprinklers to full height and to cover the needed area on one line. The old sprinklers were of the no name commercial type. I intalled Toro 570 series. The new valves are Orbit. All lines without newly installed sprinklers work ok on the new valves. There are 10 sprinklers on 3/4 inch line...