How much clearance should be left around the Smartscan sprayhead? Technical Support February 24, 2019 08:17 Related articles What do I do if Smartscan is beeping? Can you surface mount the Smartscan head? Is there an override button? What is the specification of the wireless Hydra alarm? What precautions have been taken to prevent obstructions from blocking the spray? Comments 0 comments Please sign in to leave a comment.