Watts RD-300-R User Manual
Rd-300-r, Overflow roof drain with 2" external water dam, Pipe size

ES-WD-RD-300-R USA 1407
RD-300-R
Tag:
SPECIFICATION:
Watts Drainage RD-300-R epoxy coated cast iron overflow roof drain with flashing clamp with integral
2" (51) high external water dam, self-locking polyethylene dome, and no hub (standard) outlet.
RD-300-R
Overflow Roof Drain
with 2" External Water Dam
Free Area
Sq. In.
137
-B
-K
Ductile Iron Dome
-K40 Ductile Iron Low Dome (4" high)
Sump Receiver
-D
Underdeck Clamp
-L
Vandal Proof Dome
Suffix
Description
Options (Select One or More)
Galvanized Dome
-K13
-K80 Aluminum Dome
-K81 Rough Bronze Dome
-K83 SS Mesh Covered Dome
-13
Galvanized Body & Clamp
Components
B15
B2-DM
B15-R
FC-6
-F
Adjustable Extension Flange
-GSS Stainless Steel Ballast Guard
-US
Buy American Compliant
No Hub (MJ)
Push On
P
Inside Caulk
X
Outlet Type (Select One)
Suffix
Description
2”(51) Pipe Size (NH Only)
2
3”(76) Pipe Size
3
4”(102) Pipe Size
4
5”(127) Pipe Size (NH Only)
5
Pipe Sizing (Select One)
Suffix
Description
NH
6”(152) Pipe Size
6
8”(203) Pipe Size
8
10
10”(254) Pipe Size (NH Only)
16 5/8”(422)
6 5/8”(168)
PIPE SIZE
2”(51)
5 1/2”
(140)