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Thread: Hydrostatic Valve, Help! Pics enclosed

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    Join Date
    Jul 2015
    Los Angeles, CA

    Hydrostatic Valve, Help! Pics enclosed

    My new pool will be gunited next week, and I have an issue with the hydrostatic valve. The engineering detail (encl) call for a valve, similar to a Hayward SP-1056 that installs inside a main drain housing. The plumber has installed what looks like a home-made hydrostatic valve using a check valve and collector tube, totally separated from the pool drain plumbing - see encl pic.
    While I'm sure this will work, the big problem I have is that I will have NO access to the valve after guniting (unlike the hayward valve that can be accessed through the drain). I think the reason he did so was because the excavation for the hydrostatic valve collector done in the middle, between the 2 drain positions.
    Since I have solid rock under the pool, excavating a 18x18x24 hole under a drain at this point will be very hard to do.
    Any suggestions? If I used a hayward valve in one of the drains, could I use 2 ells connected to a collector in the middle? Or should I just install a separate drain cover in the middle between the two main drains?
    Thanks in advance for any advice.
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    38x11 IG rectangular shotcrete w/ integrated 6x6 spa, CoverPools auto cover. Main pump Intelliflo VS, Spa pump Pentair XF VS, Pentair 400KBTU heater, 520SF Cartridge Filter , Flowvis, Pentair SWG, Levelor. 10x Waterway power storm jets. EasyTouch8 automation, Intellibrite LEDs, Fafco Solar panels.

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