Smith® 148-Y04 Combination Roof and Overflow Drain, 4 in Outlet, Cast Iron Drain

• Use on flat roofs where emergency overflow can be used in combination with roof drain
• All components are coated to protect against corrosion
• Roof drain, overflow drain, flashing clamps, gravel stop, and dome are all cast iron
• Regularly furnished with 6 in cast iron dome, an additional 6 in dome is available for overflow drain
• Note: Dimensional data is subject to manufacturing tolerances and change without notice
• Used in flat roof of any construction
• No-hub outlet