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Thread: Slightly confused...how do I blow out the lines?

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    Join Date
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    Slightly confused...how do I blow out the lines?

    I have 2 skimmers and 2 returns. The skimmer lines join at a valve on the inlet side of the pump, and the return is from the filter divides somewhere underground for the 2 returns. After I drain to below the returns, how do I use my shop vac to blow out the lines? Thanks.
    20,000 gal., Jacuzzi 250L Laser Sand Filter, inground w/vinyl liner, 1hp pump motor, TF-100 Test Kit.

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    Mod Squad Bama Rambler's Avatar
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    Re: Slightly confused...how do I blow out the lines?

    Block off one skimmer and one return with a gizmo or plug and blow from the other one, then swap the plugs and blow the other ones.
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Slightly confused...how do I blow out the lines?

    OK thanks. Should I leave the multiport valve on "filter?"
    20,000 gal., Jacuzzi 250L Laser Sand Filter, inground w/vinyl liner, 1hp pump motor, TF-100 Test Kit.

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    Re: Slightly confused...how do I blow out the lines?

    Quote Originally Posted by edweather
    OK thanks. Should I leave the multiport valve on "filter?"
    Put it to Reciruclate. You dont want to blow air through the sand. Which is what it would do set to filter. Remove the drain plug at the bottom of the filter to let all the water out of the filter.
    14,000 gallon IG, Vinyl. Hayward 3/4 hp superpump, Penatair IC40 SWCG, Pentair automation, Hayward sand filter, Aqua Comfort heat pump, Hayward 400k Lo-Nox LP heater.

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