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
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Wide flange with flashing clamp for secure roof-membrane attachment
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Epoxy-coated cast iron body for corrosion resistance and durability
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Self-locking polyethylene dome for debris protection
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Standard no-hub outlet for easy installation
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Suitable for primary roof drainage applications
