Replacement 520272 Temperature Sensor Description: Direct replacement for the 520272 temperature sensor. This 10K ohm thermistor with a 20 ft cable is designed for use as a water sensor, air sensor, or solar sensor and restores reliable temperature sensing for pool and spa systems. Key features: Function: 10K ohm thermistor for accurate temperature detection in water, air, or solar applications Cable length: 20 ft for flexible placement and easy routing Durability: made from heavy duty materials for 50 percent longer life compared to standard thermistors Purpose: replaces damaged, corroded, rusted, or failed thermistors to restore system temperature control Compatibility: compatible with Pentair EasyTouch, SunTouch, IntelliTouch, and Compool pool and spa automation systems; also compatible with Pentair Minimax Plus pool and spa heaters Direct fit: designed to work as a seamless replacement for the Pentair 520272 temperature sensor Benefits: Restores accurate temperature control for pool and spa systems, avoiding false readings and unwanted heater or pump cycles Long cable simplifies installation and allows the sensor to be positioned where it measures temperature Durable construction reduces the frequency of replacements and maintenance interventions Typical applications: Replacing a corroded or failed thermistor in a pool automation panel to restore accurate water temperature readings Installing as a solar or air sensor to monitor pool heating systems and optimize operation Replacing the temperature sensor in a Minimax Plus pool heater to ensure correct heater control and protection Installation note: Check your heater or automation system manual to confirm that 520272 is the required temperature sensor or thermistor part number before ordering.