This video from Watts shows how to install the RD-700 dual outlet roof drain. The RD-700 does the work of two drains in one. It combines a primary and an overflow roof drain for faster, labor saving installs.
This video from Watts shows how to install the RD-700 dual outlet roof drain. The RD-700 does the work of two drains in one. It combines a primary and an overflow roof drain for faster, labor saving installs.