Zurn Z131 14-9/32 Siphonic OverFlow Roof DrainZURN Z131 14-9/32" Diameter Siphonic Overflow Roof Drain with Dura-Coated ductile iron drain body [‘B’], high external combination membrane flashing clamp/ overflow gravel guard, and low silhouette poly-dome. Complete with vandal-proof secured, Dura-Coated cast iron air-restricting baffle and grate, and Top-Set® deck plate. Allows for reduced diameter of horizontal piping. Advanced drainage technology. Engineered to reduce installation and rework time.
PIPE SIZE: 2'', 3'', or 4''
-DR: Top-Set Drain Riser
-EB: Top-Set Adjustable Extension Assembly
-VP: Vandal-Proof Secured Top
Items in Zurn Z131 14-9/32 Siphonic OverFlow Roof Drain