The Watts RD-940 is a secondary dome strainer designed for use with roof drains to provide added debris protection and improve drainage reliability. Made from cast aluminum, it offers a lightweight yet durable construction suitable for long-term rooftop exposure. The unit fits select roof drain models and serves as an additional protective layer above the primary dome.

Key Features

• Cast aluminum construction for durability and corrosion resistance

• Provides secondary debris protection for roof drain systems

• Designed to fit compatible Watts roof drain models

• Lightweight design suitable for rooftop environments

• Enhances overall drainage reliability by preventing clogging