42001-0061S Air Flow Switch Fit for Pentair Mastertemp and Starite Max E Therm Pool Spa Heaters Replacement for 42001-0059s

Crafted from durable, high-grade materials that meet UL certification standards, ensuring long-lasting performance and reliability even in harsh pool environments. Built to withstand daily use and resist wear, providing a stable and safe electrical connection. Designed for hassle-free replacement: Safety First: Turn off power to the pump and heater, and disconnect the plastic hose from the AFS connector. Remove Old Switch: Unplug wires from the AFS and remove mounting screws. Install New Switch: Secure the new switch with the included screws, reconnect wires and tubing.No special tools or destructive modifications needed—saves time and labor. For complex issues, consult a qualified technician. When to Replace Replace immediately if your heater displays an AFS error (Air Flow Switch Error), indicating a malfunction in the airflow detection system. This ensures optimal heater performance and prevents potential safety hazards.