Oatey 78044 4" PVC Roof Drain with Cast Iron Dome & Dam Collar

Josam 21502-Z Large Sump Roof Drain w/Poly Dome and 2" No-Hub Outlet Cast iron roof drain, large polypropylene locking dome, WEJLOC® non-puncturing clamp ring with integral gravel stop, large sump with wide roof flange and bottom outlet. Used on roofs of any size, for any type of construction. Large slotted dome provides 124 sq. inches of free area for quick drainage of rainwater and protects the drain sump and connected piping from debris.

Deck Clamp Assembly for use with 21500 roof drain

Commercial grade multipurpose drain for effective effluent removal in any application. Optional removable sediment bucket will keep drain lines free of all debris. Available with cast iron and PVC grate assemblies.

Dura-coated, cast iron replacement dome, compatible with the RD2190 universal membrane clamp. Features: Dome only Replacement part

Adjustable Extension to accommodate insulation of variable thickness. For use with 21500 roof drain.