Watts - RD-300-W - Overflow Roof Drain with 4 in. Internal Water Dam SKAPS Isolation Nipple & Slotted Grate:

Isolation Nipple & Slotted Grate: The isolation nipple offsets structural constraints

Built for durability and efficient flow

keeping water from accumulating and preventing damage to building components

The decorative grate has an open surface area of 7

Watts - RD-300-W - Overflow Roof Drain with 4 in. Internal Water Dam SKAPS Isolation Nipple & Slotted Grate:The Watts RD 300 W is a medium area roof drain designed for primary drainage where a wide flange is required for secure membrane attachment. Its epoxy coated cast iron body provides long term durability, while the wide flange and flashing clamp help create a robust, watertight connection to the roofing system. A self locking polyethylene dome protects the drain from debris, and the unit comes equipped with a standard no hub outlet for straightforward