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Thread: Sealing simmer cover

  1. Back To Top    #1
    Diver's Avatar
    Join Date
    May 2011
    South of Boston

    Sealing simmer cover

    I have an inground pool with a Hayward SP1085 wide-mouth skimmer:

    The square cover simply sits on top and has 2 holes for screws:

    The skimmer also has two holes for those screws to go into, implying that the cover can be secured. Under cover there is a square groove that looks like it would accept a gasket and when tighten with screws it could be potentially water tight.

    The skimmer cover is close to the end of the pool winter cover and it allows for skimmer to be filled with water when pool is winterized. With the pipes sealed and with some antifreeze and something compressible in the skimmer there is no danger to the skimmer, but in spring before pool is open, the water in the skimmer gets pretty nasty.

    I was wondering if the skimmer can indeed be sealed like that? I can't find a gasket that would go under the cover and with only two screws I doubt it will create a water tight seal.

    Anyone had any experience sealing it like that?
    26K In-ground Vinyl Pool | Hayward DE4820/SP0710XR50 filter | 1.125 HP Dual Speed Hayward Super Pump | Aquasol Solar

  2. Back To Top    #2
    Mod Squad JVTrain's Avatar
    Join Date
    Feb 2014
    Central Minnesota

    Re: Sealing simmer cover

    If you want to keep water from leaking through the skimmer lid and actually see it as a problem, I would lay a bead of plumbers putty all the way around the outside of the lid, under the screw heads on each side and put a proper sized rubber stopper in the center hole.
    Joel - TFP Moderator - Minnesota - **Become a TFP Supporter!** Helpful Links: ABCs of Pool Water Chemistry - SLAM Procedure - Chlorine/CYA Chart
    40x20 Pool: 32K Gallons * Vinyl * Bleach Chlorination * Hayward S270T Sand Filter * Pentair SuperFlo 1 HP * Teledyne/Laars Heater * AquaVac Tigershark * TF-100 w/ SpeedStir
    Isolated Spa - 345 Gallons

  3. Back To Top    #3

    In the Industry
    Hayward Pool's Avatar
    Join Date
    Oct 2014

    Re: Sealing simmer cover

    The two screws are there to secure the lid making it harder to be left off and become a hazard. There is no gasket to seal the lid.
    Hayward Pool Tech
    80+ Years of Technologically Advanced Pool Product Manufacturing

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