Watts RD-300-85 IRMA Roof Drain Specifications

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

watts-rd-300-85
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.

Pipe Size (in.)

2 (no hub only)
3
4
5 (no hub only)
6
8
10 (no hub only)

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)