J-N6 FLOOR DRAIN (Dranjer)

• Includes retaining ring and valve and is used for new installations and retro fits. 
• If this model is being installed as a retro fit, the drain cavity must be at least 4 3/4" deep and 4 3/4" in diameter. 
• New concrete must be poured around the retaining ring using the catch basin. 
• As seen in the diagram, this is a "U" shaped valve set-up with a floating ball for the passage of water and restriction of Radon, any other vapors or gases, as well as odors.