Watts LF909-OSY-S-FS 4 - Part of the LF909 Large Series American Wick Drain The Watts GRD-640 is a

The Watts GRD-640 is a stainless-steel metered overflow drain designed for green roof and planter applications where controlled secondary drainage is required

This 1/2 inch lead free 2-piece full port ball valve with stainless steel ball and stem and solder end connections is used in commercial and industrial applications for a full range of liquids and gases

This 1 inch static balancing valve with built in calibrated flow meter is made for potable water systems

Specifications Kit Type Cover Kit Lead Free YES Product Group BACKFLOW KITS UPC - 098268413922

Watts LF909-OSY-S-FS 4 - Part of the LF909 Large Series American Wick Drain The Watts GRD-640 is aThis 4 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It is ideal for protection in continuous pressure piping applications and at cross connections identified as health hazards. This assembly consists of an epoxy coated cast iron body, outside stem and yoke resilient seated gate valves, strainer, captured