Watts - RD-100-W - Overflow Roof Drain with 4 in. Internal Water Dam ZC100F-8NH align outlet with the drilled

align outlet with the drilled out area

Durable Build – Designed to handle heavy use and moisture exposure

ZB415H-2IP

ZB453-4NH-6B

Z189-4NH-5x6x11

Watts - RD-100-W - Overflow Roof Drain with 4 in. Internal Water Dam ZC100F-8NH align outlet with the drilledThe 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