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Thread: Help with Spa Hydraulics

  1. Back To Top    #1

    Join Date
    Oct 2015

    Help with Spa Hydraulics

    Signed a contract on a pool with spa but now the builder is thinking about the hydraulic setup.

    Current spa setup:

    7x6 spa
    6 Jets on two seat = 12 jets
    2 jets on two other seats = 4
    16 Jets total
    Jandy PS 6
    3 additional actuators

    1 Jandy 2.0 epump
    1 Jandy 2.0 water feature pump
    1 2HP blower
    3 inch plumbing

    I'm asking for jets control in regards to turning on and off my banks of jets. So if I want to run 6 at a time, 12 at a time, 4 at a time or all 16.

    My first question is do we have enough actuators to isolate the jets how I'd like or do I need to go up to a PS8?

    The builder is questioning whether or not he needs to add another blower on my setup.

    What would you pool building gurus do?

  2. Back To Top    #2

    In the Industry
    duraleigh's Avatar
    Join Date
    Apr 2007
    Sebring, Florida

    Re: Help with Spa Hydraulics

    This forum is primarily made up of owners.....not builders.
    Dave S. - Forum owner
    42k vinyl and concrete pool, 1.5hp pump, 140gpm filter
    TFTestkits , PoolMath , Pool School

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

    Re: Help with Spa Hydraulics

    The builder is questioning whether or not he needs to add another blower on my setup.
    A decent builder would not require any blower. You can build a spa without a blower but most PBs unfortunately have no clue on how to build a proper spa. So be careful or you could end up with a poorly performing spa.

    Also with that may jets, you will likely need dedicated spa jet pumps but it isn't clear to me that you have any.

    Ask the builder for a detailed schematic of the spa plumbing and post it here. Also, what jets are you planning to use (part#s and flow rate requirements)?
    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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