Product Details
The Josam 21503-Z large sump roof drain features a durable cast iron construction and includes a large polypropylene locking dome along with a 3" no-hub outlet. It is designed with a WEJLOC® non-puncturing clamp ring that incorporates an integral gravel stop, ensuring secure installation and effective drainage. This roof drain is suitable for roofs of any size and type of construction, and its large sump is complemented by a wide roof flange and bottom outlet. The drain is equipped with a large slotted dome that provides 124 square inches of free area, allowing for quick drainage of rainwater while protecting the drain sump and connected piping from debris. The product complies with relevant safety and performance standards, ensuring reliable operation in various environmental conditions.
