Pentair IntelliChlor Replacement Secondary Power Center | Commercial IntelliChlor & IntelliChlor | 520556
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- SKU:
- 520556
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About This Item
The 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 up to COMSYS-16 which requires 7. Verify the total quantity needed for your system before ordering.
The secondary power center delivers conditioned electrical power to the IntelliChlor salt cell, enabling the electrolytic conversion of dissolved salt into chlorine. When the power center fails, the salt cell cannot produce chlorine regardless of salt level or flow conditions. This OEM replacement restores the electrical supply interface between your system controller and the chlorinating cell.
Specifications
| Pentair Part Number | 520556 |
| Part Name | IntelliChlor Replacement Secondary Power Center |
| Part Category | Power Centers |
| Quantity Included | Each (1) |
Fits Into
| Brand | Equipment Line | Model / Part Number | Notes |
| Pentair | Commercial IntelliChlor | 520971 — COMSYS-4 | Qty required: 1 per COMSYS-4 system |
| Pentair | Commercial IntelliChlor | 520972 — COMSYS-6 | Qty required: 2 per COMSYS-6 system |
| Pentair | Commercial IntelliChlor | 520973 — COMSYS-8 | Quantity of secondary power centers varies by COMSYS model (COMSYS-4: 1, COMSYS-6: 2, up to COMSYS-16: 7) |
| Pentair | Commercial IntelliChlor | 520974 — COMSYS-10 | Quantity of secondary power centers varies by COMSYS model (COMSYS-4: 1, COMSYS-6: 2, up to COMSYS-16: 7) |
| Pentair | Commercial IntelliChlor | 520975 — COMSYS-12 | Quantity of secondary power centers varies by COMSYS model (COMSYS-4: 1, COMSYS-6: 2, up to COMSYS-16: 7) |
| Pentair | Commercial IntelliChlor | 520976 — COMSYS-14 | Quantity of secondary power centers varies by COMSYS model (COMSYS-4: 1, COMSYS-6: 2, up to COMSYS-16: 7) |
| Pentair | Commercial IntelliChlor | 520977 — COMSYS-16 | Qty required: 7 per COMSYS-16 system |
| Pentair | IntelliChlor | 523738 — IntelliChlor Plus60 | Compatible with IntelliChlor IC20, IC40, IC60 |
| Pentair | IntelliChlor | 523735 — IntelliChlor Plus40 | Compatible with IntelliChlor IC20, IC40, IC60 |
| Pentair | IntelliChlor | 523730 — IntelliChlor Plus30 | Compatible with IntelliChlor IC20, IC40, IC60 |
Compatibility is based on Pentair parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.
Poolaroo Pro Tip
Before replacing the secondary power center, confirm the fault is isolated to the power center and not the salt cell itself or the main controller. The COMSYS and IntelliChlor systems report power center faults with distinct diagnostic codes on the controller display — consult your system's service manual to confirm the fault source before ordering. For COMSYS multi-cell installations, note that each secondary power center drives a dedicated cell; replacing only the failed unit is sufficient when the fault is confirmed to a single power center. Electrical components in salt chlorine generator systems operate at mains voltage. Installation or replacement must be performed by a qualified electrician or certified pool technician.
