The Watts GRD-650 is a green-roof plaza area drain designed for paved walkways, terraces, and accessible vegetated roof zones that require dependable surface drainage. Its epoxy-coated cast iron body provides long-term durability, while the nickel bronze top with heel-proof grate ensures safe pedestrian use. A stainless-steel screened aluminum dome enhances debris protection, and the included 4-inch standpipe can be extended or trimmed to match installation depth.

Key Features

• Nickel bronze top with heel-proof grate for pedestrian-safe surfaces

• Epoxy-coated cast iron body with integrated flashing clamp

• Stainless-steel screened aluminum dome for debris protection

• Includes 4-inch standpipe, cut-to-fit or extendable

• Standard no-hub outlet for straightforward installation