Lowest Price Guaranteed! Keep your pool a cool, comfortable temperature with the correct sensor! This aftermarket temperature sensor can be used as a water, air, or solar temp sensor for Pentair® IntelliTouch®, EasyTouch®, and SunTouch® swimming pool control systems. Replaces: P/N 520272 / TS5T / STS5T Does NOT replace TS5L Sensor for Compool® Systems Features: Compatibility: Pentair® IntelliTouch®, EasyTouch®, and SunTouch® systems Replaces: Pentair® 520272, TS5T, and STS5T (red and black wires) Includes 10K ohms thermistor, 20-foot cord, 2 O-rings To use as a water temperature sensor: Insert the sensor into a 3/8-inch hole in the pipe between your pool's filter pump and filter using a hose clamp. To use as an air temperature sensor: Mount the sensor in open air outside the power center in the shade and away from air conditioners, motors, and other heat sources. To use as a solar temperature sensor: Fasten the sensor next to solar panels for unglazed panels or suspend between the collector and glazing for glazed panels. Please note that this sensor is not compatible with the TS5L sensor for Compool® Systems. For a sensor compatible with those models, try the TS5L replacement sensor. Watch our video to see how to properly replace the temperature sensor in Pentair systems.