42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch 42001-0053S Heater Thermistor Widely Compatible with Pentair Sta-Rite, MasterTemp, Max-E-Therm pool and spa heaters electrical systems Fit for Sta-Rite Max-E-Therm SR-200, SR-333,SR-400 model heaters, Pentair MasterTemp, Pentair MasterTemp 125, Pentair ETl 400 Great Performance : 1. 42001-0053S Heater Thermistor—Operate in the temperature range of -20°c to 80°C, and detect the temperature of the pool water to keep the water temperature in an ideal state.2. 42001-0063S High Limit Switch—Detect whether the water temperature exceeds the safe level (135°F), and automatically open the outlet of the heat converter in time. 3. 42002-0024S Stack Flue Sensor—Located on the exhaust elbow of the pool heater to prevent the flue gas output from exceeding 500°F Premium Material : All parts made of metal which is durable and long time use If you have any questions about the Spa Hearters Electrical System Kit, either before or after sale, please feel free to contact us, we will provide you with a professional solution Denkuhin 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch 42001-0053S Heater Thermistor Fit for Pentair Spa Hearters Electrical Systems

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