Watts RD-300-F Roof Drain with Adjustable Extension Flange Specifications

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

 

Pipe Size (in.)
2 (no hub only)
3
4
5 (no hub only)
6
8
10 (no hub only)

Specifications: Watts Drainage RD-300-F epoxy-coated cast iron roof drain with flashing clamp. It includes an integral gravel stop; heavy-gauge, zinc-plated, steel adjustable extension flange; self-locking polyethlyene dome; and no hub (standard) outlet.

 

 

 

 

Outlet Types

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

 

 

 

 

 

 

   

 

Accessories

Galvanized Body and Clamp (-13) Rough Bronze Dome (-K81)
Underdeck Clamp (-D) Stainless Steel Mesh Covered Dome (-K83)
Stainless Steel Ballast Guard (-GSS) Vandal Proof Dome (-L)
Ductile Iron Dome (-K) 2-in. External Water Dam (-R)
Galvanized Dome (-K13) Buy American Compliant (-US)
Ductile Iron Low Down (4-in high) (-K40) Adjustable Internal Water Dam (-W)
Aluminum Dome (-K80)