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

then tighten both sides of the Rebar Support to secure the channel into place

Built for durability and efficient flow

Drop-in retrofit stainless steel liner with internal pipe gasket seal

The flange also helps secure the nozzle to prevent removal or theft

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