Pentair Control Panel Replacement Board Assembly | SolarTouch Control System | 521604 Variants maintaining the controlled environment required

maintaining the controlled environment required for consistent chlorine or bromine dissolution

Replacing a faulty transformer restores normal automated sanitizer output without requiring replacement of the full control system

This is the Blue version — confirm the color of your original part before ordering

inspect the mating pipe socket and the surrounding pipe section for stress cracks or UV degradation before installing the new flange

Its unique formula combines a stable and powerful shock/oxidizer

Pentair Control Panel Replacement Board Assembly | SolarTouch Control System | 521604 Variants maintaining the controlled environment requiredThe Pentair Control Panel Replacement Board Assembly (521604) is the OEM replacement bezel and circuit board assembly for the SolarTouch Control System. IMPORTANT: LICENSED PROFESSIONAL INSTALLATION REQUIRED Electrical control components must be installed or replaced by a qualified electrician or certified pool technician. This assembly contains mains voltage circuitry. Do not attempt to install or service this component without proper certification.