Pentair IntelliChlor Replacement Secondary Power Center | Commercial IntelliChlor & IntelliChlor | 520556 Primers If you are unsure of

If you are unsure of your pump's generation

Match the part number printed on your existing membrane or referenced in your heater's service manual before placing your order

this is the direct-fit replacement

The Pentair 355095 is the OEM replacement mounting plate for the Challenger High Flow Medium Head pump

Pentair IntelliChlor Replacement Secondary Power Center | Commercial IntelliChlor & IntelliChlor | 520556 Primers If you are unsure ofThe Pentair IntelliChlor Replacement Secondary Power Center (520556) is the OEM replacement power center for the Commercial IntelliChlor COMSYS salt chlorine generator systems and the residential IntelliChlor salt chlorine generator series. IMPORTANT: QUANTITY REQUIRED VARIES BY COMSYS MODEL The number of secondary power centers required depends on your specific COMSYS configuration: COMSYS 4 requires 1, COMSYS 6 requires 2, and configurations scale