Watts - RD-100-W - Overflow Roof Drain with 4 in. Internal Water Dam Window Well Extension Stable Design – Features an

Stable Design – Features an 8″ internal width with galvanized steel rails for added structural strength under heavy loads

and the drain is supplied with a standard no-hub outlet for easy installation

tear-resistant sheeting made from high-strength polyethylene

with internal straps that add additional support for installation and removal

Watts - RD-100-W - Overflow Roof Drain with 4 in. Internal Water Dam Window Well Extension Stable Design – Features anThe 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