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Summary: Watch a summary on how to install a ball valve in this free video.
" Hi! This is John on behalf of Expert Village. In this video clip, I will show you step 9 of our process for installing a ball valve. The next thing that we want to do is go ahead and open up our ball valve so that water will flow through our pipes. Again, water is coming from one side, and it will flow through the other side once that ball valve has been opened. At this point, you want to make sure and inspect both sides where you have soldered. If there is any drips whatsoever, you want to go ahead and turn the water back to off and re-solder them. This one is not dripping and my valve is working good, so everything looks good. "
eHow Article: Ball Valve Installation Summary