Search our inventory of drains, drain parts, safety and roofing equipment, and accessories. Shop Now.
Search our inventory of drains, drain parts, safety and roofing equipment, and accessories. Shop Now.
Dimensional data is subject to manufacturing tolerances and change without notice.
Specifications: The Watts Drainage RD-200-W is an epoxy-coated, cast-iron overflow roof drain with flashing clamp. It includes an integral 4-in. high internal standpipe, self-locking polyethylene dome, and no hub (standard) outlet. 35 sq. in. of free area.
| Pipe Size (in.) | No Hub (std.) | Push On | Threaded | Inside Caulk | PVC / ABS |
| 2" | 3-5/8" | 4-1/4" | 4-1/4" | 4-1/4" | 3-3/4" |
| 3" | 3-5/8" | 4-1/4" | 4-1/4" | 4-1/4" | 3-5/8" |
| 4" | 3-5/8" | 4-1/4" | 4-1/4" | 4-1/4" | 3-7/8" |
* Side Outlet (-SO) option only available in 2, 3 and 4-in. pipe sizes. Underdeck Clamp (-D) is not available when side outlet is selected.
