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Thread: Plumbing new SWG questions

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    Join Date
    Jun 2015
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    Plumbing new SWG questions

    Hello all. After owning (and struggling) with my Chlor-Tab pool for the last two years of ownership (20K gallon rectangle, vinyl inground), I decided to save up over winter and convert to salt. I purchased the Aqua-Rite AQR15 for my pool and have started minor portions of the install (my pool is still closed, so there is not much I can do). But I have come across a few items I am not sure what to do about.

    1) The Salt Cell is 2" PVC, and my system is 1.5" PVC. The manual indicates that an adapter can be used but I am unsure what adapter. The local Lowe's sells a 2" to 1.5" Reducer, but it is not Sched 40, and not rated for pressure. I've looked and cannot seem to find a similar adapter made by Hayward (or anyone else), so I was wondering if you could give me some guidance on what adapter I should be using?

    2) The Flow Switch. I am installing it after my cell, however I was wondering if it was ok to install it vertical (on a down pipe from my cell) versus horizontal. I did not see any clear guidance in the manual about this.

    Appreciate all your help!

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    JoyfulNoise's Avatar
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    Re: Plumbing new SWG questions

    A quick search online reveals - 2 Schedule 40 429-251

    Most of the major big-box hardware stores should have them as it's a fairly common adapter. Do you have a plumbing supply store near you? A plumbing supply store would definitely have them in stock.

    From the installation manual -

    IMPORTANT: There must be at least a 12" (25cm) straight pipe run before (upstream) the flow switch. If the switch is plumbed after the cell, the cell can by counted as the 12" (25cm) of straight pipe. To ensure proper operation, verify that the arrow on the flow switch (located on top of gray hex) points in the direction of water flow.
    https://www.hayward-pool.com/pdf/man...stallation.pdf

    Before or after the cell is fine but there is no mention of vertical or horizontal. I believe the Hayward units use a thermal flow switch indicator, so orientation doesn't really matter. For a magnetic reed-based flow switch, orientation would be important.
    Matt
    16k IG PebbleTec pool, 650gal spa, spillway and waterfall, 3HP IntelliFlo VS / 1.5HP WhisperFlo, Pentair QuadDE-100 filter, IC40 SWCG, MasterTemp 400k BTU/hr NG heater, KreepyKrauly suction-side cleaner Dolphin S300i robot, EasyTouch controls, city water, K-1001, K-2006 and K-1766 test kits, Mannitol test for borates

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    Re: Plumbing new SWG questions

    Here is what I was able to find at Lowe's, it's Schedule 30. The transition on this one seems steeper than the one you posted. Think this will work? Aside from the difference in schedule (30 vs. 40) they both adhere to ASTM D 1784. Home Depot has a similar one and it actually states that it's for max 5psi.
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    mas985's Avatar
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    Re: Plumbing new SWG questions

    I think this is what you may want: Shop Charlotte Pipe 2-in x 1-1/2-in dia PVC Flush Bushing Fitting at Lowes.com

    Schedule 30 is thin wall and not a good idea for pool plumbing.
    Mark
    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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    Re: Plumbing new SWG questions

    Quote Originally Posted by mas985 View Post
    I think this is what you may want: Shop Charlotte Pipe 2-in x 1-1/2-in dia PVC Flush Bushing Fitting at Lowes.com

    Schedule 30 is thin wall and not a good idea for pool plumbing.
    That fitting is schedule 30 as well.

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