Product Overview
Watts B2-FLG Cast Iron Drain Ring for RD100 Drains 14-1/4" O.D. , 8" Bolt-to-Bolt [3 Bolt]
Replacement cast iron drain ring for the Watts RD-100 Roof Drain. It’s used with the B2-KDM Ductile Iron Dome or B2-DM Poly Dome.
For instructions on how to measure for a replacement drain ring, visit our resource page, How to Measure a Roof Drain Ring.
This ring is 3 bolt and has flats on two sides. It is also a flat bottom ring.
O.D. : 14-1/4"-in. [13"-in. O.D. on the flats and gravel stop]
Bolt-to Adjacent Bolt: 7-3/4"-in.
Casting#: B2-FLG
