Watts - RD-300-R - Overflow Roof Drain with 2 in. External Water Dam HDPE ZB191-5X4X24-4NH

ZB191-5X4X24-4NH

ZN415-SZ1-2IC

Complete Components – Neutral channel

supporting consistent flow and easier maintenance

Watts - RD-300-R - Overflow Roof Drain with 2 in. External Water Dam HDPE ZB191-5X4X24-4NHThe Watts RD 300 R is a medium area overflow roof drain designed to provide secondary (emergency) drainage when primary roof drains are overwhelmed or blocked. Its epoxy coated cast iron body offers long term corrosion resistance, while the flashing clamp and integral gravel stop ensure a secure, watertight membrane connection. A raised external water dam sets the overflow height, and the self locking polyethylene dome helps keep debris out. The unit