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Thread: Draining water from pool with spigot (catridge filter - no waste line)

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    Join Date
    May 2016
    Phoenix, AZ

    Draining water from pool with spigot (catridge filter - no waste line)

    Hello everyone, first time posting. I've got a Jandy cartridge filter and want to periodically drain water from my pool to get fresh water circulating. It's too hot in Arizona to do a complete drain without risking damaging the pool. If I'm going to use the spigot are there any watch outs to be mindful of? I'm assuming I always want to do with the pump off - I've also got an automatic refill and wanted to make sure this wouldn't potentially damage that. Thanks for any insight!

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    Richard320's Avatar
    Join Date
    Jan 2010
    San Dimas, CA (LA County)

    Re: Draining water from pool with spigot (catridge filter - no waste line)


    More than a few people have installed a pipe nipple and a valve and a backwash hose to the cartridge filter drain for just the same purpose. And they empty it with the pump.

    You'll need to shut off the autofill while you're emptying, and then turn it on again when you;re done. Otherwise you'll be emptying some of the water you just added.

    You must have an above-ground pool if you can drain without using the pump. If so, why not just siphon? A pool vacuum hose will flow a tremendous amount of water. Connect it to the vacuum to keep it on the bottom and it will be equal to punching a 1" hole at the bottom edge of your pool.
    16K freeform gunite with spa; Pentair 4000 DE filter; Century Whisperflow 1 HP; Pentair Minimax heater.
    Troublefree does not mean Maintenancefree. It's like brushing your teeth: You can spend a couple minutes a day and pennies a week or go to the dentist once a year and spend several thousand dollars.
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