Use this high grade professional PVC to Blumat System adapter to go from your threaded 1/2" or 1/4" PVC pipe into a 3mm Blumat sensor.

This includes a professional quick connect with water flow stop, makes it easy to disconnect from the system but water will still flow out when disconnected. 

Convert your already existing irrigation system, into a smart Blumat automatic watering Blumat system. Only water your plants, when your plants want to be watered!