Hayward QTA1020CSEG 2-Inch Gray QTA Series True Union PVC Compact Ball Valve with EPDM O-Rings

FlowVis is a combination flow meter and check valve for swimming pools and spas that offers restriction-free installation and guarantees accurate flow measurement. It can be installed horizontally, vertically, upside down, and next to any elbow or other fitting. It features a sleek, a low profile design, measures in GPM's, and includes scales for key velocity points so it's perfect for setting a variable speed pump and delivering maximum energy savings. FloVis offers an average accuracy of 2.01% between 20-110 GPM and is NSF Certified to 50 psi. And since it installs in-line there are no saddle clamps or flat rubber seals to corrode and no calibration is ever required. FloVis is backed by a 5 year warranty.

Combined functionality of flow meter and check valve
Clear, easy to read scale in GPM or optional LPM with key velocity points
Can be installed horizontally, vertically, upside down, and next to any elbow or other fitting
FloVis offers an average accuracy of 2.01% between 20-110 GPM and is NSF Certified to 50 PSI
Installs in-line, no saddle clamps or flat rubber seals to corrode and no calibration is ever required
Combined functionality of flow meter and check valve
Clear, easy to read scale in GPM or optional LPM with key velocity points
Can be installed horizontally, vertically, upside down, and next to any elbow or other fitting
FloVis offers an average accuracy of 2.01% between 20-110 GPM and is NSF Certified to 50 PSI
Installs in-line, no saddle clamps or flat rubber seals to corrode and no calibration is ever required

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FlowVis 2 x 2.5in. Complete Pool Flow Meter and Check Valve;