FlowVis™ is the most accurate and reliable flow meter on the market today. Readings remain accurate in any orientation or position in your water system, even elbow to elbow. Kona Labs is proud to have invented this unit and sell it at the cheapest price available online. The space-saving design measures in GPM and conveniently includes scales for key velocity points. This makes it optimal for calibrating a variable speed pump and ensuring you are efficiently getting the most out of your energy use.
FlowVis™ is more than just a flow meter; it’s also a fully functioning check valve! Ingenious in concept and flawless in operation, FlowVis™ is a revolution in reliable flow measurement.
- Warranty: 15-years on design life, 7-years on spring
- Approvals: NSF 50 (FV-C, FV-3, FV-4, FV-C-S, FV-C-Saline models)
- Power losses: <0.2% additional motor power over having no check valve
97.9% between 10 – 110 GPM (2″ & 2.5″ model)View Installation Photos