Zurn Z101 - 20" Diameter Main Roof Drain Low Silhouette Dome Select Product (see spec sheet for info):Z101-10NH-DP - D.C.C.I. Body with Cast Iron Dome - 10" Pipe Size - No-Hub- Top-Set® Roof Deck Plate Designed to handle heavy rainfall

Designed to handle heavy rainfall and protect roofing assemblies

and the low silhouette dome maintains a clean roof profile while allowing high flow

Preserve property from water damage with an elegant grate that complements its surroundings

It features a patented dual-height polymeric drainage core with a fully wrapped

Zurn Z101 - 20" Diameter Main Roof Drain Low Silhouette Dome Select Product (see spec sheet for info):Z101-10NH-DP - D.C.C.I. Body with Cast Iron Dome - 10" Pipe Size - No-Hub- Top-Set® Roof Deck Plate Designed to handle heavy rainfallThe Zurn Z101 is a 20 inch high capacity roof drain built to manage heavy stormwater loads on large commercial, industrial, and institutional buildings. Engineered for both performance and durability, it combines a rugged cast iron body with a low profile dome that keeps the roofline clean while ensuring reliable flow. Ideal for flat or low slope roofs, the Z101 helps prevent ponding, protects roof assemblies, and supports long service life in