What's the range for Flowie-O? October 02, 2019 18:54 Updated The Flowie-O water flow sensor is installed on your water meter. The sensor relay needs to be installed inside a building within 200ft or 60m of the water meter. It must have a nearby power outlet and good cellular reception. Related articles Flowie-O installation guide How to calibrate Flowie-O Do I need to sign a contract? What do the lights on Flowie-O mean? Property Organization