Hayward sand pool filter sucking air
I have a Hayward sand pool filter and for some reason it is sucking air.? I noticed in the return line that there is tiny air bubbles while the pump is running and after a while the pump basket is empty and when I shut the pump off there is a lot of pressure. I replaced all the hoses and gaskets within the filter. Can the sand in the filter be to old to properly function the correct way?
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2 Responses to “Hayward sand pool filter sucking air”
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To address your situation the water should come from the skimmer to the pump, then filter, then back to the pool. With the basket running empty after a while you probably have a leak somewhere that sucks air when the pump is on. If the water level gets to low the pump will suck air through the skimmer with the water. You may have a leak on the skimmer to pump line or you may need a new o ring on the pump basket. This o-ring needs to be lubricated with a special plumbers grease available at the local pool supply. When you shut off the pump there should be less, if any pressure at all so I would replace the pressure gauge before investigating that issue further. As far as the sand it to can be cleaned by removing the cover and washing it with a garden hose, you will be surprised at the dirt back flushing doesn’t remove. This will give it new life or you can just replace it if you wish.
i own a pool company ,check the o ring on the pump pot lid.take it off and flip it over.if that does not work get a new one.you are sucking air thru there