PRODUCT: 8 inch Diameter Universal Membrane Flashing Clamp / Gravel Stop, Cast Iron. Fits Watts RD-200 and many 7-1/2 to 8" Drains / Domes. 9-1/4 OD with 5.25 bolt circle. Price/Each. (watts B3-FLG)
DESCRIPTION: Universal cast iron membrane clamping collar designed for retrofit roof applications where the existing main roof drain body is to remain in place and continue to be operative. The bolting lugs of this collar match the bolt pattern many common roof drain bodies and generally conform to the surface angles of the flange. This allows easy replacement along with adequate pressure on the membrane to insure water tightness.
FITS: 9-1/4 OD with 5.25 bolt circle. Fits Watts RD-200, Marathon 8" Small Area Drains and many others. Drain domes C1-1858 plastic strainer, C-1890 aluminum strainer and C1-31406 cast iron strainer.
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