Watts LF909-OSY-S-FS 4 - Part of the LF909 Large Series American Wick Drain Specifications Kit Type Cover Kit

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

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

Detectable warning mats are engineered to provide auditory and tactile underfoot feedback for the visually impaired

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

Installation is the same

Watts LF909-OSY-S-FS 4 - Part of the LF909 Large Series American Wick Drain Specifications Kit Type Cover KitThis 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