Schedule 40 PVC DWV increaser reducer coupling for transitioning between 3-inch and 4-inch drain, waste, and vent pipe. Hub x hub connection provides secure, solvent-welded joints for reliable drainage systems.

• Increases from 3-inch to 4-inch or reduces from 4-inch to 3-inch pipe
• Schedule 40 PVC construction for durability
• Hub x hub connection for solvent welding
• Dual rated for pressure (ASTM D1785) and drainage (ASTM D2665) applications
• NSF Listed for safety and quality
• Maximum operating temperature: 140 deg F

Applications: Residential and commercial drain, waste, and vent systems. Use with PVC solvent cement for permanent, leak-free connections.