By default, it switches on when the flow increases and switches off when it decreases, but the logic can be easily changed. The paddle's return movement is ensured by a magnet = no wear and tear. Available with a brass soldering adapter or a PVC or brass T-piece. Thanks to its simple installation, it is suitable for bulk installations. Just solder the adapter, insert the O-ring, tighten the cap nut – and it's done.
