1. You may see the system come on during a rain event. Explore Rain Bird sprinkler system parts like expansion modules, wind sensors, valves, flow sensors and many more. b_ You will be notified once this product is in-stock. All rights reserved. If the controller seems to be working properly but the sprinklers aren't coming on, make sure that there is enough water. trailer *Surge protection (FSSURGEKIT) is recommended for Maxicom and SiteControl systems One at the Pulse Transmitter, and if more than 50 of wire run, one at the Flow Sensor. SMRT-Y Soil Moisture Sensor. iOS: Settings-> Select Apple ID -> iCloud -> iCloud Backup (On) Android: Settings -> Backups (name may vary on different devices) -> Backup (On) (or)Drive (Google Drive App) -> Backups ->