How do I replace the batteries in my Water+Climate sensor? Jon Dennis Cruz April 01, 2021 10:54 Updated Unscrew the back of the sensor and remove the front cover. Your sensor requires 2 AA batteries. Related articles How fast might my batteries run out? How to install Doorbell Camera How to reset the Chime How do I reset my Water+Climate sensor? How do I change my wifi connection? Comments 0 comments Please sign in to leave a comment.