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    Changing PVC with running water

    My Jandy valve is cracked and needs replacing. I got a Space Saver as there is not a lot of room for a new valve. My problem is when I remove the old valve, I will have a constant flow of water from the main drain. How can I glue new pipe with water flowing through it? Is there a way to stop the...
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    Hayward 244T sand filter PSI gauge won't stay on

    I just received a new PSI glycerin filled gauge from TFTestkits. I wrapped the threads with teflon tape and screwed it in. I noticed that it didn't seem to tighten well after several turned unlike the old one I took out. I turned the pump on and seconds later, the gauge blew out. I tried...
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    Quantity of sand in Hayward S244T filter

    I just changed the sand in my filter which calls for 300 lbs. I ran into our local pool guy at Home Depot and told him what I was doing. He told me to just put 250 lbs in. I wish I had asked him why but I was in a hurry. Is this a good idea or should I add the other 50 lbs?