Z131

Siphonic OverFlow Roof Drain

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Z131

Siphonic OverFlow Roof Drain

Zurn 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