Find some schedule 80 unions, and they will help you replace the valve ~ by the way, you can do a "guts" replacement on your old 711 valve by buying an Irritrol 205 valve
www.sprinklerwarehouse.com/Irritrol-205SF-1-Slip-Electric-Valve-p/205sf.htm
This post has been edited 1 times, last edit by "mrfixit" (Jun 20th 2010, 1:33pm)