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Thread: Above waterline Jets sucking air

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    Join Date
    Jul 2014
    Phoenix, AZ

    Above waterline Jets sucking air

    I have an Atera spa that was a neck/shoulder seat. There are 4 jets that are above the waterline. When my pump is on circulating water, these jets are sucking air and making noise. I have the diverter turned all the way to divert the water to the lounger. But I can see air bubbles coming up from the lounger jets. Is this normal?

    I assume the diverter doesn't completely seal the pipe so its creating some venturi effect and pulling air in.

  2. Back To Top    #2
    Divin Dave's Avatar
    Join Date
    Oct 2013
    Longview, Texas

    Re: Above waterline Jets sucking air

    I cant help with your question since I dont know anything about spas,
    but maybe this will bump things along and make it visible and maybe someone will chime in.
    Divin Dave,
    IG Vinyl, 15' x 30', 3 1/2' - 6' deep, Oval, ~15K gal, Intelliclor IC40, Intelliflo VS pump, Clean and Clear 420 Filter, auto-fill-disabled, Retrofit LED Color Light, Dolphin Nautilus Robot, TF100 Test Kit, Taylor K1766 Salt Test Kit, Tftestkit Pressure Gauge. Experience- it's what's learned just after you needed it most !!

  3. Back To Top    #3
    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Above waterline Jets sucking air

    The diverter probably controls only the water flow and not the air flow. In venturi jets, there are two pipes, one for water and one for air. Do you also have the air supply vent shut off? If so, it is probably drawing air from the above water jets because they share the air vent pipe.
    Hydraulics 101; Pump Ed 101; Pump and Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, 1/2 HP 2sp pump, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater, ThePoolCleaner

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