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Thread: Main drain question.

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    Main drain question.

    I been working on my pool for that past few day now and uncovered the "main drain" cap, but I don't think it's a drain at all. The pool man in the past never used the "main drain" they always used a pump. Now it just looked like concrete that was closing tightly into a small hole. All there is on top is the top cover and ring thats it. nothing inside. I don't even know if there is a drain in my pool. But when my dogs hair hits the pool it flows to the main drain. I'm lost here..... Shold I cap it completely off of what. Here's a picture on it.
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    spishex's Avatar
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    Re: Main drain question.

    That's a main drain, or was. There isn't a pipe along the side of that hole anywhere? Perhaps it was filled in before because of a leak.

    If you do manage to find a pipe in there and get it working, it would be a good idea to change your main drain cover to one of the VGB compliant ones. The one you've got is a particularly notorious offender.

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    Re: Main drain question.

    i will look at it again after work. but if its plugged like you said can i just cap it off with a cover instead of the one that is on there?

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    spishex's Avatar
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    Re: Main drain question.

    If the suction port is plugged I'd recommend either using the existing grate or at least something that will allow a little water through. Odds are there's at least a functioning hydrostatic valve down there and it would be best not to block that.

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