Replacement medium cast iron ring for the Zurn Z121 Roof Drain (2 to 6 inch).
- Bolt-to-bolt: 8-1/4" in. at 180 Degrees,
- Outside diameter: 11-1/4" in.
- Casting#: 56588-1
For instructions on how to measure for a replacement drain ring, visit our resource page, How to Measure a Roof Drain Ring.