Smith® Roof and Overflow Drain, Combination, 3 in Outlet, Cast Iron Drain, 5-1/2 in H Body
Recommended for use on flat roofs where the roof drain assembly serves as a conventional roof drain and overflow for emergency use. The combination roof and overflow drain consists of a cast iron roof and overflow drain with no-hub outlets, two cast iron combination flashing clamps and gravel stops, and one 6 in high cast iron dome. All components are coated to protect against corrosion.