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Thread: Replacing Skimmer/ MD valve

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    Replacing Skimmer/ MD valve

    I bought my home 4 years ago and it came with a pool. Unlike many pool owners I talk to I actually enjoy working on it and maintaining it. The one thing I pay a pool company for is closing the pool every winter since I have never done it and not sure about the proper way to blow the lines. Having said that I am going to educate myself and do it this coming winter.
    The pool itself is in great shape but much of the equipment is 20+ years old and in need of replacement. So my spring project is to install a new filter, Multiport valve, booster pump for the Polaris and SWG .My pool equipment sits down hill, below the level of the pool.
    Now to the problem. I have a leak that developed at the end of last season just before my Skimmer/main drain valve. The pool was winterized and the lines blown out and from what I can tell have remained free of water. My question is, with the equipment below the pool level, if I keep all of the winterizing plugs in, will I be able to cut the PVC pipe before the MD valve (which is currently closed) and be able to replace the valve without draining the pool? I would like to avoid draining the entire pool just to replace a valve but maybe that's not possible? Any suggestions would be great.
    Pool Newbie in 2nd season with:

    Intex AG Easy Set 16' x 42" Pool
    Intex Krystal Clear Model 635T Filter Pump (1500 gal/hr)
    Intex Krystal Clear Model CS8110 Saltwater System

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    JasonLion's Avatar
    Join Date
    May 2007
    Silver Spring, MD

    Re: Replacing Skimmer/ MD valve

    Welcome to TFP!

    If there is an actual drain plug in the main drain(s), then yes you can cut the pipe and replace the valve. It is common for there to be a drain plug in the situation you describe, but I would double check before cutting.
    19K gal, vinyl, 1/2 HP WhisperFlo pump, 200 sqft cartridge filter, AutoPilot Digital SWG, Dolphin Dynamic cleaning robot
    Creator of PoolMath and Pool Calculator. Other handy links: Support this site, TF Test Kits, Pool School

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