Watts GRD-640 - Manual

ES-WD-GRD-640 USA 1406 GRD-640
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SPECIFICATION: Watts Drainage GRD-640 epoxy coated cast iron green roof drain overflow drain with flashing clamp,
ABS standpipe with 5/8”(16) orifice, perforated stainless steel gravel guard with secured solid cover, and no hub
(standard) outlet.
GRD-640 Green Roof
Metered Overflow Drain
Deck opening 14-1/2" (368)
with sump receiver 18" (457)
Pipe Sizing (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
6"(152) Pipe Size 6
8"(203) Pipe Size 8
10 10”(254) Pipe Size (NH Only)
Options (Select One or More)
Suffix Description
-13 Galvanized Body & Flashing
Clamp
-B Sump Receiver
-D Underdeck Clamp
-F Adjustable Extension Flange
Outlet Type (Select One)
Suffix Description
No Hub (MJ) NH
Push On P
Inside Caulk X
-US Buy American Compliant
16 5/8”(422)
13 3/8”(340)
4”(102)
DIA. PIPE
12”(305)
11”(279)
5/8”(15)
HOLE
5 1/2”(140)
PIPE SIZE