The Watts GRD-680 is a green-roof planter drain designed to provide dependable primary drainage in large planter areas on vegetated roof systems. Its epoxy-coated cast iron body delivers long-term corrosion resistance, while the perforated stainless-steel ballast guard helps prevent soil and debris from entering the drain. A secured solid cover allows surface-level maintenance access, and the unit comes equipped with a standard no-hub outlet for easy installation.
Key Features
-
Intended for primary drainage in green-roof planter applications
-
Epoxy-coated cast iron body for durability and corrosion resistance
-
Perforated stainless-steel ballast guard to keep out debris
-
Secured solid cover for convenient maintenance access
-
Supplied with a standard no-hub outlet
