The valve closes by the dead weight of the weighted seat and functions when mounted in either the horizontal or vertical plane

Large side is Male Pipe Threaded and small side is Female Pipe Threaded

Recommended for potable water

Black Flexible PVC Pipe used for above and below ground installations

Reducing adapter made out of Clear Schedule 40 PVC

Clear PVC Pipe, 4 Ft Size:1 1/2" The valve closes by theClear Schedule 40 pipe made of an impact resistant PVC, manufactured by low stress extrusion to offer unique physical properties that improve system integrity. Clear PVC may have a slight blue tint. Pipe manufactured in IPS (iron pipe sizes) with the exception of the 6" which does not meet SCH40. Threading is not recommended on SCH40 and the 6" pipe. PSI is rated for water @73. 4F. PVC material meets FDA standards. Sold in 4' lengths