Watts RD-100-W: Overflow Roof Drain with 4-in. Internal Water Dam Specifications

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

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Watts RD-100-W roof drain

 

Pipe Size (in.)
2" (-2)
3" (-3)
4" (-4)
5" (-5)
6" (-6)

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. 

  

  


 

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)