ECL Comfort 210 is an electronic weather-controlled temperature controller from the ECL Comfort family of controllers, applicable in heating, central heating, and cooling systems. Save energy by controlling the flow temperature in heating and cooling systems. You can control up to 3 circuits. The weather-controlled function of the ECL Comfort controllers measures the outside temperature and adapts the flow temperature of the heating system to it. The heating system controlled with the weather temperature control function increases the comfort level and saves energy. The ECL Comfort 210 controller can configure the selected application using an ECL key.