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    sobelle300's Avatar
    sobelle300 Posts: 1, Reputation: 1
    New Member

    Nov 20, 2018, 10:58 AM
    Is anti-siphon valve required by code for pool fill, not auto-fill
    Our anti-siphon valve for manual pool fill continues to leak after installation after several months. We have changed it/repaired the leak 4 times in six years. Is the anti-siphon valve required or can I use a straight-line on/off valve to turn on the water to the pool?
    ma0641's Avatar
    ma0641 Posts: 15,681, Reputation: 1012
    Uber Member

    Nov 20, 2018, 02:43 PM
    The anti-siphon valve is to prevent pulling water from the pool into the water system. So, you need one. If you manually fill a pool and the hose is in the water, that is against code if it is not connected to an anti-siphon valve. I have seen pool filling with a large hose, about 3 ft. above the water, not connected to an anti-siphon valve. I would ask your local jurisdiction for guidance.

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