SMC (6850090) 685 Series PVC NSF Check Valve ; 1/2” FNPT x 1/2" FNPT Buna 10 inch x 2.5 inch Filters2674 or wall-mounted monitoring stations where

or wall-mounted monitoring stations where visual flow confirmation is required

000 Gallons

Compatible with under-sink drinking water systems

It is particularly effective in homes with well water containing elevated iron levels

and carbon fines common in granular carbon

SMC (6850090) 685 Series PVC NSF Check Valve ; 1/2” FNPT x 1/2" FNPT Buna 10 inch x 2.5 inch Filters2674 or wall-mounted monitoring stations whereThe SMC 6850090 from the 685 Series is a PVC check valve rated for potable water systems, featuring 1 2" female NPT connections on both ends and a Buna N seal. This NSF certified component prevents backflow in residential and light commercial reverse osmosis systems, ensuring one way flow protection where you need it. SPECIFICATIONS SMC 685 Series Check Valve Technical Details Model Number SMC 6850090 Series 685 Series Body Material PVC (Polyvinyl