Is the pentair CCP520 a bolt on replacement for my pentair FNS Plus?

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H

hammocktester

Member
Jun 6, 2022
11
Houston
I have a pentair FNS Plus that I want to replace with a clean and clear 520 cartridge filter. From looking at both filters they seem very similar and the connection points on them looks very similar. I am hoping I can unscrew one and just screw the other one on, can I do that?

Pentair Clean and Clear Plus 520 Cartridge Filter - Pool Filters | Leslie's Pool Supplies

Pentair 160332 Clean & Clear Plus CCP520 Cartridge Filter has a corrosion resistant injection molded filter tank featuring superior strength and reliability.
lesliespool.com lesliespool.com

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The ports are reversed when swapping these two. Folks tend to be thrilled when the connections line up only to ruin their brand new carts by blowing them apart with backwards flow.
 
Cartridge filter doesn't use a backwash or multiport valve.
Changing from a DE filter to a cartrige filter will require some minor replumbing. Good time to clean up any other plumbing on the pad at that time.

Be sure to double check the inlet and outlet ports on the new filter.
 
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