Pentek Big Blue - New filter not fitting


Old 06-18-19, 04:45 PM
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Pentek Big Blue - New filter not fitting

Hello guys,

I have a Big Blue 10" with a bag filter and basket inside.

I tried to install a regular filter (Iron reducing filter), but my big blue does not seem compatible. There is an attachment (or static fitting) inside the head which seems designed for the basket and for which the Big Blue would basically need to be 12" rather than 10" for the new filter to fit.

Any idea? Is this a specific Big Blue model? Can I unscrew the attachment from the head? It looks nearly impossible to remove.

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Old 06-18-19, 06:53 PM
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Did the old or even the new filter have the rubber gaskets at the top and bottom?
Was the old gasket removed from the sump?
Did it set down on the nipple at the bottom of the sump? Did it go over the nipple in the head?

Also if the big blue is set up for Bag filter it is Always A Bag Filter,,,, other items Will Not Work!!!!!

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