The electronic level control ensures proper draining ofcondensate and avoids unnecessary loss of air. All the functions of the valve are accurately indicatedby the Yellow LED. Test switch (or) manual drain allows function test atanytime.l Intelligent Controller detects probe failure and indicatesRed LED for potential free relay NO change to NC. Noise free, as air is not discharged. Inbuilt fault tolerant system ensures continues operationof drain valves. Incase of level probe failure drain valve gets ON 0.5sec at every 6 minutes.