What is a default rule for the Water Sensor? MyPlace Support December 19, 2018 17:21 Updated Follow This default rule is created automatically when you add a Water Leak Sensor: If my “Water Leak Sensor” gets wet, then notify me on my phone and by email. Related articles How do you create custom rules to manage a Water Leak Sensor? What are some examples of custom rules for a Water Leak Sensor? Comments 0 comments Please sign in to leave a comment.