Pentair Piezo Buzzer (523452) kafko Sensors like this are useful

Sensors like this are useful because they help the spa monitor operating conditions and respond appropriately when temperature-related limits are approached

Improves overall safety-line presence and consistency

and the required part number before ordering

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Pentair Piezo Buzzer (523452) kafko Sensors like this are usefulThis piezo buzzer provides an audible alert component for compatible Pentair control or safety systems. When alarms, warnings, or user feedback tones stop functioning, the issue may be tied to a failed buzzer rather than the entire control assembly. Replacing the buzzer helps restore sound based notification so operators can better recognize equipment conditions, alerts, or control responses. It is a compact electrical service part that can be