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Thread: Quick Pressure question

  1. Back To Top    #1

    Join Date
    May 2007
    Long Island, NY

    Quick Pressure question

    Is this normal and if so, why does this happen:

    When just my two skimmers are running my Multi-Port valve gauge reads about 16psi.
    When the main drain and both skimmers run the Multi-Port valve guage jumps and stays at 20psi.

    Thank you! I honestly dont know how I would have gotten this pool opened without the help from all of you this spring.
    26000 Gallon Vinyl in ground pool
    1.5 HP Pump
    Sand Filter (with a bit of DE)
    Goldline Aqua Rite SWCG

    But I like driving to the lake!

  2. Back To Top    #2
    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA
    Yes it is normal. The less restriction you have on the suction side (all ports on), the higher the flow rate and the higher the flow rate, the higher the filter pressure is.
    Hydraulics 101; Pump Ed 101; Pump/Pool Spreadsheets; Pump Run Time Study; DIY Acid Dosing; DIY Cover Roller
    18'x36' 20k plaster, MaxFlo SP2303VSP, Aqualogic PS8 SWCG, 420 sq-ft Cartridge, Solar, 6 jet spa, 1 HP jet pump, 400k BTU NG Heater

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