Watts RD-300 User Manual
Rd-300, High volume roof drain, Pipe size

ES-WD-RD-300 USA 1406
RD-300
Tag:
SPECIFICATION:
Watts Drainage RD-300 epoxy coated cast iron roof drain with flashing clamp with integral gravel stop,
self-locking polyethylene dome, and no hub (standard) outlet.
RD-300
High Volume Roof Drain
-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
-R
2" External Water Dam
-K81 Rough Bronze Dome
-K83 SS Mesh Covered Dome
-13
Galvanized Body and Clamp
-85 IRMA Perf. SS Extension
Components
B15
B2-DM
B15-FLG
FC-6
-F
Adjustable Extension Flange
-W
Adjustable Internal Water Dam
137
Deck opening 14-1/2" (368)
with sump receiver 18" (457)
Free Area
Sq. In.
-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)
15 1/4”(387)
6 5/8”
(168)
5 1/2”
(140)
PIPE SIZE