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Florida is the only state with an overall rain sensor statute. HB 91 effective May 1, 1991, governing all new automatic sprinkler systems: "... shall install a rain sensor device or switch which will override the irrigation cycle of the sprinkler system when adequate rainfall has occurred."

1. What is a rain sensor?
   
2. What is the ideal installation location for a rain sensor?
   
3. Is a rain sensor required?
   
4. Do I need a permit to install the rain sensor?
   
5. Will a rain sensor affect the schedule of my automatic timer?
   
6. Who can install rain sensors?
   
7. Where can I purchase a rain sensor for my sprinkler system?
   
8. What are the advantages of having a rain sensor?
   
9. How long will the system stay off after it rains?
   
10. Which setting do I use?
    
11. After it rains, sprinklers stay off too long. What is wrong?
    
12. Can I use 1 rain shut-off device for two controllers?
    
13. How long do the disks last?
    
14. Will I lose my controller settings if the rain sensor shuts my system off due to rain?
    

Courtesy of Dr. Dorota Hamon, Professor of Agricultural and Biological Engineering, University of Florida