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Thread: Hayward Northstar O-ring/pump lid issue

  1. Back To Top    #1

    Join Date
    Mar 2016
    Location
    bakersfield
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    2

    Hayward Northstar O-ring/pump lid issue

    I bought a home with a Hayward Northstar pump. THe pump has blue o-rings in it. These o rings sit on top of the basket, rather than in the groove around the pump housing.

    I purchased these on amazon. These fit in the groove nicely, but now I cannot close the lid.


    So my question is am I putting the o-rings in incorrectly, wrong size, wrong thickness wrong spot?

  2. Back To Top    #2
    Texas Splash's Avatar
    Join Date
    Jun 2014
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    South-Central Texas, Marion/San Antonio
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    12,966

    Re: Hayward Northstar O-ring/pump lid issue

    Hello and welcome to TFP! Silly question, but did you use some pool/Magic Lube on the O-ring? I also noticed on the Amazon site the following customer replies:
    install in pump housing not lid and lubricate with gasket lubrication grease from pool store
    The CX400G Strainer Cover O-ring fits all SP4000 pump series, including SP4015X20NS, manufactured prior to 2003. Pumps manufactured 2003 to 2007 use the SPX4000TS "T-ring", and pumps 2008 and later use the SPX4000S O-ring.
    THIS SITE shows a couple O-ring options, but which one depends on the year of your pump.

    Manual: https://www.google.com/url?sa=t&rct=...s_oLVPIWBxkKhQ

    Maybe this info or some other replies will help clarify for you.
    Pat (a.k.a. Texas Splash) ~ My Pool: Viking Fiberglass; 17,888 Gal; Waterway Supreme 2-sp/2-hp pump; Hayward Ctg filter; TF-100 w/ Speed Stir
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  3. Back To Top    #3

    Join Date
    Mar 2016
    Location
    bakersfield
    Posts
    2

    Re: Hayward Northstar O-ring/pump lid issue

    Yes, I used o-ring lube. It's an sp4000x series pump. I actually have 3 in the system. I ordered a new strainer cover lid to replace a cracked one and it comes with an o-ring so I suppose that will shed light on the issue.

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