Yes. You can hook up two or three EtherRain controllers to share a transformer and a rain sensor. A special low cost cost connector kit is available to make the connections easy.
Click here to view connection instructions.
If you attach more than one controller to your network, make sure each controller has a unique name (eg, EtherRain1, EtherRain2, etc)
LawnCheck lets you manage up to three controllers in one account.
