The Watts RD-100-W is a primary roof drain designed for commercial roofing systems that require secure membrane integration and reliable water removal. Its epoxy-coated cast iron body provides long-term durability, while the wide flange and flashing clamp help create a watertight seal. A self-locking polyethylene dome protects the drain from debris, and the no-hub outlet allows straightforward connection to the drainage system.

Key Features

• Wide flange with flashing clamp for secure roof-membrane attachment

• Epoxy-coated cast iron body for corrosion resistance and durability

• Self-locking polyethylene dome for debris protection

• Standard no-hub outlet for easy installation

• Suitable for primary roof drainage applications