The Watts RD-980 is a large cast-iron ballast guard designed to protect roof drains on ballasted roofing systems. Its heavy-duty perforated construction keeps gravel, stone, and debris away from the drain dome while still allowing high-volume water flow. The guard surrounds the drain assembly to help maintain consistent drainage performance in demanding rooftop environments.
Key Features
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Heavy-duty cast-iron construction for long-term durability
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Perforated design allows high water-flow capacity while blocking debris
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Designed for use on ballasted roof systems
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Provides full drain-top protection around the dome area
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Compatible with select Watts roof drain models
