AquaCal AutoPilot Soft Touch Control Board (828N) sundancespas A filter cartridge supports the

A filter cartridge supports the circulation system by removing suspended debris as water passes through the filter housing

A diffuser is useful because it helps shape and direct internal water movement through the wet end

Filter cartridge for compatible C-4313 and PBW4PAIR spa and pool applications

compact performance are especially valued

AquaCal AutoPilot Soft Touch Control Board (828N) sundancespas A filter cartridge supports theThe AquaCal AutoPilot soft touch control board is designed for compatible chlorination system applications where the primary electronic control interface needs replacement. A control board is useful because it helps manage the operating logic of the system, supporting more dependable function, clearer response, and steadier overall behavior. This replacement is especially useful when the original board is damaged, burned, unresponsive, or producing