Watts - RD-100-W - Overflow Roof Drain with 4 in. Internal Water Dam ZC100F-8NH Heel-proof grate design rated for

Heel-proof grate design rated for light to moderate commercial traffic loads

ZA104-20-8IP

Z189-4NH-5x6x11

ZB453-4NH-6B

the outer layers contain UV inhibitors and thermal stabilizers

Watts - RD-100-W - Overflow Roof Drain with 4 in. Internal Water Dam ZC100F-8NH Heel-proof grate design rated forThe 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