vivona
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I need to connect a new pipe to an existing buried PVC pipe of a particular zone in my irrigation system. At the point where I need to connect, the pipes for two zones make 90 degree turns, so I can dig back a bit for flex, cut off the elbow and replace it with a tee to connect the new pipe. Only problem is that I cannot tell which pipe is on the zone I need to connect to. I know I have a 50% chance of getting it right by just cutting off one elbow and turning on the desired zone to see if water shoots out. If it is the right pipe, I just add the tee. If it is the wrong pipe, I replace that elbow and then remove and replace the elbow of the other pipe with the tee.
Before I do that, is there any trick to identifying which pipe is which? In the past when I came upon a piece of underground pipe and tried to tell which zone it was on I had tried running each zone and listening to the pipe with a stethoscope to see if I could hear the water flow, but I couldn't. Are there any other methods I can try that doesn't involve specialty equipment? Maybe having someone tap on the end of one of the sprayheads to see if I can hear it in the related pipe?
Before I do that, is there any trick to identifying which pipe is which? In the past when I came upon a piece of underground pipe and tried to tell which zone it was on I had tried running each zone and listening to the pipe with a stethoscope to see if I could hear the water flow, but I couldn't. Are there any other methods I can try that doesn't involve specialty equipment? Maybe having someone tap on the end of one of the sprayheads to see if I can hear it in the related pipe?