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Thread: Any use for Diverter when main drain is plumbed separately?

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    Any use for Diverter when main drain is plumbed separately?

    Hi all, I finished my build about 6 months ago, and have been using a diverter under the skimmer basket. My question is, do I need it at all. I plumbed the main drain separately from the skimmer, and I think that the only reason to have a diverter is to protect from air coming into the pump if the the water level goes too low. But because the main drain is plumbed separately, I don't think that the diverter is necessary, and is really only functioning to cause less suction pull from the skimmer, I think. Can I just toss the diverter, or would doing so be foolish for some reason?
    Rectangular pool 28x16 and spa 8x7, 17,000 gallons, IG, Tropics Blue Mini-Pebble, Jandy 60 DE filter, saltwater cell, Jandy VS pump, 1.5 hp Jandy spa pump, 400k heater, 5' Sheer Descent with 1 hp Jandy pump, Jandy color LED lights. Build Thread

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    cowboycasey's Avatar
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    Re: Any use for Diverter when main drain is plumbed separately?

    You hit the reason they are installed, if your water level were to fall below the skimmer it would close and allow the pump to continue to work by pulling from the main drain..

    It could also be a problem if you only have the water coming from the skimmer and the main drain closed, it would do the exact thing it is trying to prevent by stopping all water coming to your pump..
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    Re: Any use for Diverter when main drain is plumbed separately?

    So if I understand you right, it would be safer not to use a diverter in my situation?
    Rectangular pool 28x16 and spa 8x7, 17,000 gallons, IG, Tropics Blue Mini-Pebble, Jandy 60 DE filter, saltwater cell, Jandy VS pump, 1.5 hp Jandy spa pump, 400k heater, 5' Sheer Descent with 1 hp Jandy pump, Jandy color LED lights. Build Thread

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    Re: Any use for Diverter when main drain is plumbed separately?

    correct, you should probably remove the diverter it's only useful if the main drain is connected to the skimmer. If it were me I would always have the main drain at least partly open. That way if the skimmer gets blocked either by debris or a plastic bag you have an alternate source of water for the pump.
    12,300 Gallon, IG PebbleFina, 3 ft sheer, 2 Jandy nicheless LED lights, Jandy Pro 1.5HP VS pump (A.O. Smith Motor), PB4-60 Booster pump, Polaris 280, Jandy cv340 cartridge filter, Zodiac Z4 control panel W/iAquaLink, Stenner pumps for chlorine & MA connected to WiOn WiFi switches, TF-100. You can support TFP with AmazonSmile just click the link!

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    Re: Any use for Diverter when main drain is plumbed separately?

    Will do. Thank you for the advice!
    Rectangular pool 28x16 and spa 8x7, 17,000 gallons, IG, Tropics Blue Mini-Pebble, Jandy 60 DE filter, saltwater cell, Jandy VS pump, 1.5 hp Jandy spa pump, 400k heater, 5' Sheer Descent with 1 hp Jandy pump, Jandy color LED lights. Build Thread

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