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Opened it up today. Spider gasket was fine, but the spring inside had a bit of rust on it. I sprayed spring with WD 40 to clean it and lubed it with a few drops of oil and it works fine now. Hopefully it will last for a while. Thanks

Didn't think of that....I will look into it.

Hayward sand filter...I replaced the valve a year or 2 ago and now it is very stiff. Hard to press it down and hard to turn it. There must be something that needs lubrication. Ha sanyone had this problem and know where or what to lube? Thanks :-D

It seems that there is too much pressure being built up, assuming your clamps are on tight. Is your multi valve set to filter? What happens if you try to hold the hose there with your hand? If it still blows off you have some kind of pressure problem.

Thanks for the reply, Waste. Good thing we have this forum...poolforum is gone :( Eventually what happened was that I went to a local pool store.They didn't have the body,or any other parts for that valve as they said it had been replaced with a newer model by Hayward. Since the valve was over...

I am in the process of opening my pool, and have found a small crack in the plastic around the threads for the pressure valve. It leaks quite a bit. Is there a fix for this, or do I need to buy a new valve head? Filter is a Hayward sand filter, about 10 years old with the vari flow valve. Thanks!