Pentair PCBA Controller | IntelliChem® Chemical Controller | 521319Z Water Levelers CL and CV series filters

CL and CV series filters

Inspect the weir at the start of each season

backwash until the water runs clear

which is model SKR

this is the direct-replacement ignition component specified for this equipment line

Pentair PCBA Controller | IntelliChem® Chemical Controller | 521319Z Water Levelers CL and CV series filtersOEM Replacement Control Board for IntelliChem Systems The Pentair 521319Z is the OEM replacement PCBA (Printed Circuit Board Assembly) controller for Pentair IntelliChem Chemical Controller Systems. If your IntelliChem controller is displaying faults, failing to respond to commands, or has suffered a board level failure, this is the direct replacement control board for that system. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Electrical