Watts - RD-300 - High Volume Roof Drain Window Well Extension Integrated plastic ball float to

Integrated plastic ball float to automatically prevent backflow

Blocks leaves and debris from entering and potentially clogging the pipeline while draining surface water into the channel drain

The Zurn Z665 is a robust cast-iron trench drain designed for demanding commercial

ZB1910-2NL

Watts - RD-300 - High Volume Roof Drain Window Well Extension Integrated plastic ball float toThe Watts RD 300 is a medium area roof drain designed for dependable primary drainage on commercial and industrial roof systems. Its epoxy coated cast iron body provides strong corrosion resistance, while the flashing clamp and integral gravel stop create a secure, watertight connection to the roofing membrane. A self locking polyethylene dome protects the drain from debris, and the unit is supplied with a standard no hub outlet for straightforward