KineticoUser
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In order to install my Fleck 7000SXT and Pentek Big Blue filter, I drained the water from my lines. Though I've flushed the water through my fire sprinkler lines, I'm sensing there must be air trapped in the lines, as occasionally, since the installation a week ago, the fire sprinkler alarm goes off when a shower is being taken. My vane type flow switch senses water flowing up into the fire sprinkler lines, and the alarm goes off. What are your suggestions to stop this annoying problem?