Watts RD-100-W Overflow Roof Drain Specs

Dimensional data is subject to manufacturing tolerances and change without notice.

Specifications: The Watts Drainage RD-100-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. 137 sq. in. free area.

Pipe Size (in.)

• 2" (-2)
• 3" (-3)
• 4" (-4)
• 5" (-5)
• 6" (-6)

Outlet Types

• No-Hub Outlet (-NH)
• Push On (-P)
• Threaded Outlet (-T)
• Inside Caulk (-X)

Optional Body Material

• PVC Body w/ Socket Outlet (-60)
• ABS Body w/ Socket Outlet (-61)

Accessories

• Galvanized Body and Flashing Clamp (-13)
• Aluminum Dome (-K80)
• Sump Receiver (-B)
• Rough Bronze Dome (-K81)
• Underdeck Clamp (-D)
• Stainless Steel Mesh Covered Dome (-K83)
• Adjustable Extension Flange (-F)
• Vandal Proof Dome (-L)
• Stainless Steel Ballast Guard (-GSS)
• 2-in. External Water Dam (-R)
• Ductile Iron Dome (-K)
• Side Outlet (2, 3, 4-in. only) (-SO)
• Galvanized Dome (-K13)
• Buy American Compliant (-US)
• Ductile Iron Low Dome (4-in. high) (-K40)
• Adjustable Internal Water Dam (-W)