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Z645 12" x 12" Extra Heavy-Duty Drain

The Zurn Z645 12" square top drain has a Dura-Coated cast iron body with side outlet, internal trap with bronze cleanout plug, seepage pan and combination membrane flashing clamp and frame for cast iron hinged heavy-duty slotted grate with suspended aluminum sediment bucket. 

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  • Resources
  • Dura-Coated cast iron body with cast iron, polished bronze, or polished nickel bronze top available

Product Resources

Spec Sheets & Install


General Assets

Product FAQ

How should the Z645 be installed and how does it connect to the pipe?

  • ​The Z645 heavy-duty drain is typically cast in place so that the grate sits flush with the finished floor level.  The drain features an inside caulk connection, which has traditionally been sealed using lead and oakum.  For more information on pipe connections, see our outlet pipe connections page: http://content.zurn.com/pages/technicalinformation/FloorDrains/FD5-7.pdf ​