Agua Topone UV With Flow Switch And Time-delaying

Power UV Transformer with Smart Flow Sensor Switch and Delayed Function, 110V
This premium UV transformer ballast with unique flow switch and delayed time design can protect steel chamber from overheat without water flow. If no water flows inside, the UV lamp will be off. Delayed time is optional (0-999 seconds).
Water flows over 5ml/sec,UV lamp turns on; water flows less than 1.6ml/sec, UV lamp turns off.