Question about Hayward SAND FILTER, PRO SERIES

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Installing multiport valve.

Leaking around flange. Clamp is on and O ring is in place. Should the o ring squeeze out where the clamps halve. what is the best way to install

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No, the o ring should not squeeze out. When putting the top and bottom components together....

  1. Make sure surfaces are clean...No lube!!!
  2. Make sure o ring is clear
  3. Install o ring usually on lower half but depends on model
  4. Gently place upper half on lower
  5. Place clamp around the halves (this can be tricky)
  6. If there is a tension spring with the clemps, do not use it yet
  7. Without the spring, insert bolt and start tightening the clamp
  8. The halves should slowly come together
  9. Make sure the halves and band are aligned
  10. Once the top is on the bottom fairly secure, loosen the clamp and re-tighten with the spring this time till the spring is compressed with no gap between the colis on the spring. If you have two tightening clamps, do this at equal intervals.
I dont know the exact model you have, but this is a standard procedure... Good luck..

Posted on Jul 12, 2010


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A little more detailed information, even if you don't know proper terminology, some greater description will allow us (someone on this forum) to assist you.
If you have a filter similar to the picture of the one above that accompanied this post, then there is NO cap! There is no cap that you can open or close. Can't tell for sure what it is you are referring to when you say "pressure cap"?
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