O-Ring Part Number: 521147 (10 Pack) Compatible with Pentair IntelliChlor IC15, IC20, IC40, IC60, and iCHLOR Salt Chlorine Generators. These o-rings seal the Cell Union Fittings (P/N 520595) on each end of the system and are also part of the 520670 cleaning/washing kit plug. Molded from OEM spec synthetic rubber for long lasting performance and reliability. Just like when your system was brand new! Package contains ten (10) o-rings (also called gaskets or seals). Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA! Get your leaking pool system back in working order with Captain O-Ring’s replacement 521147 o-ring gaskets for Pentair IntelliChlor IC15, IC20, IC40, IC60 and iCHLOR Salt Chlorine Generators. These 521147 o-rings are used to seal the cell union fittings (part number 520595) that attach to each end of the salt chlorinator cell (see photos for o-ring location).

Molded from OEM spec synthetic rubber for long lasting performance and reliability. Just like when your system was brand new!

Package contains ten (10) o-rings. Replace your cell union o-rings and have spares on hand for the future with this handy 10-pack.

Manufactured and warrantied by Captain O-Ring LLC. Proudly assembled in the USA!