Skip to main content

Josam 418 Drain Ring

(No reviews yet) Write a Review
Product Overview
Fits Josam 418 roof drain

Replacement cast iron drain ring that can be used with the Josam 418 Cast Iron Dome. The drain ring may be used with post clamps or bolts.

This is a 4 bolt ring with both Pads and Slots. It fits mots Josam 8"+ outlet bowls that uses either Post Clamps or regular bolts..


  • Outside diameter: 17-1/2"-in. [O.D. of gravel stop is 17-1/8"-in.] 
  • Bolt-to-Bolt: 14-1/4"-in. (pads), 13-1/4"-in. (slots) at 180 degrees.
  • Casting#: 010800T

For instructions on how to measure for a replacement drain ring, visit our resource page, How to Measure a Roof Drain Ring

Related Products

Have Questions?

We've built our business on more than 35 years of personal conversations and problem-solving with our customers. Our team is ready to assist you, so contact us today.

Contact Us