What height are the Fixed heads mounted? Technical Support February 23, 2019 07:48 1.4m - 1.5m (to the middle of the nozzles) Related articles What height are the Smartscan Hydra heads mounted? What is the installation process like? Will it cause disruption? What do I do if the Apollo wireless alarm is beeping and flashing? What do I do if the Fixed Head (or Tap Head) pump is beeping? What size is Smartscan Hydra head & face plate? Comments 0 comments Please sign in to leave a comment.