Pentair Stack Flue Sensor

This authentic Pentair flue stack sensor continuously monitors the exhaust gas temperature of your pool or spa heater, triggering an automatic safety shutdown if overheating is detected. It is an essential part of the electrical safety system, ensuring reliable operation and compliance with manufacturer standards.

Compatible with Pentair MasterTemp heaters (175 to 400, including natural gas and propane models) as well as MasterTemp 125 above-ground models, and Sta-Rite Max-E-Therm heaters (SR200, SR333, and SR400). Its simple and straightforward installation allows for quick replacement without specialized tools, restoring your appliance to full performance.

Authentic Pentair replacement part — for optimal safety and durability of your heating system.