Zurn Z165 - 8-3/8" Diameter Combination Main Roof and Overflow Drain Inserta Tee and channels can be cut

and channels can be cut to lengths as short as 4 in

The Zurn Z111 is a 12-inch roof drain optimized for flat metal-deck roofs

and end caps—for flexible layouts

Dual-Function Design: Combines main drainage and overflow capacity in one unit

Zurn Z165 - 8-3/8" Diameter Combination Main Roof and Overflow Drain Inserta Tee and channels can be cut8 3 8" Diameter Combination Main Roof and Overflow Drain with Low Silhouette Domes and Double Top Set Deck Plate The Zurn Z165 primary roof drain is designed to handle large roof areas where exceptional water flow, durability, and membrane integrity are required. Built to meet demanding commercial and industrial roofing needs, it ensures efficient drainage, low maintenance, and long term reliability under heavy usage. Key Features Rugged Construction: