Watts RD-300-85 IRMA Roof Drain 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-300-85 epoxy coated cast iron roof drain with flashing clamp. It includes a 4-in. stainless steel perforated extension, self-locking poly dome, and no hub (standard) outlet.

 

 



 

 

Outlet Types

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

 

 

 

 

 

 

   

 

Accessories

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