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Thread: Gunite Spa jet retrofit

  1. Back To Top    #1

    Join Date
    Jun 2016

    Gunite Spa jet retrofit

    long time reader, first time poster here.

    We have a 15 year old gunite spa. Over the years of opening and closing, the spa jet components have either disappeared or cracked. There are 8 total, 4 eyeball type, 4 whirly type.

    The whirlys I believe to be Balboa/Hydro Air Microssage 15-5230s.

    The eyeballs I believe are Balboa/Hydro Air 10-3420s. They have 1.5 inch eyeballs with threaded retaining rings that look to be 1.5 inch npt. These are the ones I would like to retofit. My main question is, are the main plaster escutcheons typically solvent welded on, or are they threaded and screwed on?

    I don't want to open a can of worms if they are welded on. If they're threaded, obviously much simpler to deal with.

    I have photos of when we built the pool/spa, but I cannot tell how the actual end of the T was attached after the plastering.

  2. Back To Top    #2
    mas985's Avatar
    Join Date
    May 2007
    Pleasanton, CA

    Re: Gunite Spa jet retrofit

    The exterior fittings are usually screwed on so you can move them around. But that doesn't always mean they will come off easily.
    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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