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What is the solution for a knob that won't tighten on Hayward Super Pump?

Hi, my pool was opened yesterday by a pool company. They didn't lower the water at all and it was way above the jets with the pump running and filter set to recirculate. I shut off the pump and switched to waste out. Turned it back on and immediately one of the two knobs on the pump cover popped off. Shut off pump. I went to screw it back in, but the knob doesn't catch. The other knob is still in and is tight. The pool guy is supposed to come back today, but haven't heard back...Does it seem like he over-tightened or possibly normal wear and tear. Is this fixable or part replacement? thanks!

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  • 45 Answers

Sounds like it is stripped out. This does happen overtime. You need a new Hand Knob Kit. You can find one here:

Hope this helps.

Posted on May 16, 2014


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Posted on Jan 02, 2017

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SOURCE: All o-ring attachments to filter leak

My neighbor had this trouble also she was trying to put the o ring in the grove of the top it does not go there it just sits on the unit and the top screws down

Posted on Dec 08, 2008

  • 61 Answers

SOURCE: Pool pump will not fill back up

It sounds like you are sucking air into the pump. Make sure strainer baskets and pump baskets are clear, and the valves are in the right position. Also check the water level in the pool, and make sure that the pump is not sucking the skimmer dry. Next try lubricating the gasket on the pump lid, or if it is in bad shape (flattened/cracking) replace it. If this does not solve the problem put silicone around the inlet to the pump (silicone is a temporary fix that could last days or months--for best results replumb with teflon tape and sealant). If all that fails you could have debris stuck in the impeller.

Posted on Apr 05, 2009

SOURCE: Hayward sand filter needs primed every time

The problem is a malfunctioning check valve. It'll be somewhere in the line on the pump output side. If it's not a separate fitting it'll be in the line, probably in an elbow.

Need further info, let me know...


Posted on May 29, 2009

SOURCE: air in filter on hayward above ground pool.

This is common the first 30-60 seconds after turning the filter on. The filter is purging its self of the air, sometimes algae or small debris will shoot back into the pool as well.

If it is constantly getting air then replace your o-ring on the that clear cover (Strainer Cover) make sure you use a lubricant, and like djtc66 said re-wrap all threaded areas with teflon tape.

Posted on Sep 04, 2009

  • 78 Answers

SOURCE: Hayward vari flo filtering system

Check to make sure the plumbing is in the correct inlet/outlet on the valve head. Sounds like it's plumbed backwards. Inlet is from the pump, out to pool...

Posted on Apr 22, 2010

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