How much clearance should be left around the Smartscan sprayhead? Technical Support February 24, 2019 08:17 Related articles Can you surface mount the Smartscan head? What do I do if Smartscan is beeping? When does water start flowing from a traditional domestic sprinkler? Is there an override button? What do I do if I have an issue or find a bug with the layout tool? Comments 0 comments Please sign in to leave a comment.