The Watts RD-100-F is a flanged primary roof drain designed for reliable drainage on commercial and industrial roof systems. Its epoxy-coated cast iron body provides long-term durability, while the flashing flange and clamping ring help ensure a secure, watertight connection to the roof membrane. A self-locking polyethylene dome (standard) protects the drain from debris, and the unit is available in multiple outlet sizes for installation flexibility.
Key Features
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Flanged design with flashing clamp for secure roof-membrane integration
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Epoxy-coated cast iron body for durability and corrosion resistance
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Self-locking polyethylene dome for debris protection
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Standard no-hub outlet, with multiple outlet sizes available
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Compatible with optional sump receivers and accessories
