Watts RD-700 epoxy-coated cast iron dual outlet roof drain/overflow combination accomplishes primary and overflow drainage in a single roof penetration. Its unique design requires only half the total roof penetration competitive drains demand. With drain and overflow capability combined in one drain, the RD-700 dramatically streamlines installation, saving time and labor.
The RD-700 has a flashing clamp, an integral gravel stop, and a 4-in. (102mm) high internal overflow standpipe. It also has a secured ductile iron dome and no hub outlets.
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