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Thread: Main Drain Screws

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    boston62's Avatar
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    Main Drain Screws

    I believe these screws are aluminium, will the salt in the pool have any effect on them, like eroding or weakening them? Thanks

    13,000 Gal Pool & Spa
    Jandy Automation /w IAqualink
    Autopilot SWG
    Jandy 2.0 HP VSP, Filter Cartridge
    Taylor (FAS-DPD K-2600, Pool Surface: Plaster

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    Re: Main Drain Screws

    If they are aluminum then I would think they will corrode either with or without running a SWG. Are you sure they are aluminum, as I find it hard to believe anyone would supply aluminum screws. In any case replace them with known stainless screws.
    16k gal plaster with raised spa, Jandy DEV60 filter, 2 HP 2-speed SHPF Jandy Stealth pump
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    boston62's Avatar
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    Re: Main Drain Screws

    I tried that but I was told SS screws will not last, I did order some for it, and they look to be aluminum and very light. Maybe that's why they break...just curious.

    13,000 Gal Pool & Spa
    Jandy Automation /w IAqualink
    Autopilot SWG
    Jandy 2.0 HP VSP, Filter Cartridge
    Taylor (FAS-DPD K-2600, Pool Surface: Plaster

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    Roseville, CA
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    Re: Main Drain Screws

    Use stainless. That is industry standard for most pool fastener applications.

    Just be sure to tell the clerk they are for a pool so she will remember to double the price!

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    boston62's Avatar
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    Re: Main Drain Screws

    I went to Ace Hardware bought 2, put one in the skimmer basket, after a weak showed signs of rusting, I think it was a pour grade of SS.

    13,000 Gal Pool & Spa
    Jandy Automation /w IAqualink
    Autopilot SWG
    Jandy 2.0 HP VSP, Filter Cartridge
    Taylor (FAS-DPD K-2600, Pool Surface: Plaster

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