Z163 15" Diameter Combination Main Roof & Overflow Drain with Low Silhouette Domes and Double Top-Set Deck Plate

15" [381 mm] Diameter roof drain and overflow drain, Dura-Coated cast iron bodies with combination membrane flashing clamp/gravel guards, double Top-Set® deck plate, and low silhouette PolyDomes.

Features:

15" combination drain

Provides primary and secondary drainage in one assembly

Deck plate allows roof-top installation to variety of roof materials

Keywords: Combination Main Roof, Overflow Drain, zurn overflow roof drain, Low Silhouette Domes, Double Top-Set Deck Plate, low silhouette Poly-Domes, deck plate, Secondary Clamping Collar, Adjustable Extension Assembly