Watts RD-306 - Part of the RD-300 Series Z100F-3NH traffic-capable grate that allows efficient

traffic-capable grate that allows efficient surface water capture even under high flow conditions

Expansion Joint Board offers a robust and versatile option for creating separation between concrete slabs

and floor substrates

Neoprene flex gasket and clamp collar to maintain a watertight seal

Easy to Install – Tongue-and-groove joints

Watts RD-306 - Part of the RD-300 Series Z100F-3NH traffic-capable grate that allows efficientThis Watts Drains 15 inch round, epoxy coated cast iron, high volume roof drain features a flashing clamp with integral gravel stop, a self locking polyethylene dome, a 6 inch no hub outlet, 137 square inch free area. Features Cast iron Flashing clamp Self locking dome 6 inch no hub Specifications Body Material Cast Iron Brand Watts Buy American Act Compliant NO FreeArea 137 IN Lead Free Not In Scope Outlet Connection Size 6 IN Outlet Connection Type