Watts - RD-300-R - Overflow Roof Drain with 2 in. External Water Dam Z100F-8NH The Watts RD-980 is a

The Watts RD-980 is a large cast-iron ballast guard designed to protect roof drains on ballasted roofing systems

corrosion-resistant body and modular design that supports rapid installation and reliable service in industrial settings

Product Codes: Z182-3IP

Z627-3NH-Y

Fire Retardant Plastic ensures dependable protection in environments where safety from fire hazards is essential

Watts - RD-300-R - Overflow Roof Drain with 2 in. External Water Dam Z100F-8NH The Watts RD-980 is aThe Watts RD 300 R is a medium area overflow roof drain designed to provide secondary (emergency) drainage when primary roof drains are overwhelmed or blocked. Its epoxy coated cast iron body offers long term corrosion resistance, while the flashing clamp and integral gravel stop ensure a secure, watertight membrane connection. A raised external water dam sets the overflow height, and the self locking polyethylene dome helps keep debris out. The unit