Zurn Z163-4NH 15" Cast Iron Combination Roof Drain and Overflow with Top-Set Deck Plate, Low Silhouette Poly Dome, and 4" No-Hub Outlets

Prevent mold and damage from excess weight on your roof with this Zurn Z163-4NH 15" cast iron combination roof drain and overflow! This convenient unit includes both a drain and overflow to prevent excess water pooling. It comes with two 15" dome strainers that give rain and melted snow or ice room to flow freely into your drainage system while keeping out leaves and other debris. Whether you need a way to remove water from the roof of your restaurant, retirement community, or warehouse, this combination roof drain and overflow is an excellent choice for any operation with a 'flat' roo