?     Asked on 5/7/2016by Chris

What is the difference between the hayward Northstar pool pump strainer kits with part # spx4000dlt versus spx4000dltb?
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A  Answered on 5/7/2016 by InyoPools Product Specialist Lennox H.

Hi Chris, The SPX4000DLTB cover is used if you're using a Biguanide sanitizer and the SPX4000DLT cover is used if you're using chlorine as a sanitizer.
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?     Asked on 1/11/2017by Bill

Is there a wrench to assist in removing lid from strainer body?
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A  Answered on 1/12/2017 by InyoPools Product Specialist Lennox H.

Hi, Bill. Unfortunately, there is not a wrench for removing this lid from the pump body.
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?     Asked on 4/20/2017by Tony

I need a strainer cover kit. My manual says i need a Hayward SPX4000DA but i cannot find it. I was told to use a SPX4000CLO but the locks are too wide on the bottom to sit down and lock. The pool was installed Feb2007. Will the SPX4000DLT work?
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A  Answered on 4/24/2017 by InyoPools Product Specialist Alex V.

Tony, Per the manufacturer, the SPX4000DLT replaces the older SPX4000DA.
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?     Asked on 6/29/2017by HERRERA

need the right strainer cover lid and gasket for my Hayward northstar pump model# SP4007X10NS...ID# is 21110411051187001
 Reply

A  Answered on 6/29/2017 by InyoPools Product Specialist Patrick P.

Hi Herrera, If your pump lid looks like the lid listed in this Hayward Northstar Parts Diagram (1998 - 2007) then you will need this Hayward Northstar Lid and if your pump looks like the lid listed in this Hayward Northstar Parts Diagram (2008 to Current) then you will require this Hayward Northstar Lid
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?     Asked on 6/29/2017by Herrera

Does the gasket need lubrication on the strainer cover?
 Reply

A  Answered on 6/29/2017 by InyoPools Product Specialist Hector F.

It is recommended to use a little on these o-rings/gaskets. 
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?     Asked on 6/25/2018by Inyo Visitor

how do you remove from pump
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A  Answered on 6/25/2018 by InyoPools Product Specialist Hector F.

This strainer cover would need to be rotated to the left and then can be pulled off of the strainer pot. 
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?     Asked on 6/16/2019by Rob

Which ~7-8" O-ring fits the lid assembly for Hayward Northstar SP4000ZL (circa 2002-2004) - I can't find a diagram for this anywhere

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A  Answered on 6/18/2019 by InyoPools Product Specialist Matt S.

The NorthStar lid o-ring is key 5 on this parts diagram, Hayward NorthStar SP4000 Series Pump (1998-2007).
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?     Asked on 6/18/2019by Rob

Do you sell just this O-ring separately?
 Reply

A  Answered on 6/18/2019 by InyoPools Product Specialist Lennox H.

Hi, Rob. The Strainer Cover O-ring (2008-Current) - SPX4000S is sold separately. 
 Reply

  • Commented on 6/18/2019 by Product Owner

    Hi Lennox, The product you listed is for "2007-current," but the lid assembly combo is "2007 & prior." So I'm confused. It appears there's 2 O-ring: one O-ring somewhere withing the lid assembly (?maybe between the clear and black plastic) and another O-ring between the basket assembly and lid assembly (items #5 on parts diagram). I believe I need the O-ring within the lid assembly which is circa year 2003. Thanks
     Reply


?     Asked on 4/5/2020by Danielle Gaubert

I have a Hayward Northstar SP4000 pool pump installed in 2001. I am having trouble with my strainer cover lid sealing properly. I only seem to have 1 O ring. Is that correct? From what I am reading, should there be 3 parts, the lid, the lock ring, and an O ring? Or is the lock ring and the O ring the same part?
 Reply

A  Answered on 4/6/2020 by InyoPools Product Specialist Patrick P.

Hi Daniel, Yes there are 3 items. The lid, The Lock Ring and The O-ring and you will need all 3 for your pump lid to seal properly.
 Reply


?     Asked on 6/30/2022by JOSE RODRIGUEZ

Is this the correct Cover for my Hayward NorthStar SP4007NS?
 Reply

A  Answered on 6/30/2022 by InyoPools Product Specialist Craig C.

Hello Jose.  The Strainer Cover Kit (2007 & Prior) - SPX4000DLT is compatible with Hayward NorthStar SP4000 Series Pumps manufactured 1998 -2007.   The Strainer Cover Kit (New Style 2008 - Current) - SPX4000CLO is compatible with Hayward NorthStar SP4000 Series Pumps manufactured 2008 -current.  
 Reply