Compatibility ===== 42001-0053S Heater Thermistor & 42001-0063S High Limit Switch & 42002-0024S Stack Flue Sensor Replacement compatible with Pentair Sta-Rite, MasterTemp, Max-E-Therm pool and spa heaters electrical systems. Package Inclueds: 1*42001-0053S Heater Thermistor, 1*42001-0063S Electrical System High Limit Switch, 1*42002-0024S Stack Flue Sensor. High-Quality ===== Made of anti-rust materials, with high reliability and durability. The chimney flue sensor prevents the flue gas output from exceeding 500 degrees Fahrenheit. The 42001-0053S can operate at temperatures ranging from -20°C to 80°C. In addition, when the 42001-0063S sensor detects that the water temperature exceeds the safe level, it automatically opens the heat exchanger outlet to provide a perfect heating experience for your swimming pool or spa. Product Advantages ===== Stainless steel, smooth threads, plug-and-play, and good fit; The thermistor 42001-0053S is lightweight, has a small thermal inertia, is compact in size and easy to install. Good reliability and stability. It has a long service life and low maintenance cost. It is made of high-grade materials and can work stably at various temperatures. Controllable and comfortable swimming pool 42001-0063S, anti-oxidation, anti-corrosion, and meeting OE standards. Easy to Install ===== The installation is very simple. You can find the relevant video on Youtube and follow the steps in the video to install it. Note: Before installing this product, please disconnect the power supply and wear work gloves to protect your hands! After-sales service ===== We provide 24-hour customer service and 1-year product service, if you encounter product quality, product installation and other problems, please feel free to contact us. 1