WestlakeS650040 – 4″ x 4″ PVC DWV to SDR35 Sewer Adapter Coupling – Hub x Hub

The Westlake S650040 is a 4″ x 4″ PVC adapter coupling designed to transition between standard DWV piping and SDR35 sewer piping. Its hub x hub configuration accommodates the different outside diameters of 4″ DWV pipe (4.50″) and 4″ SDR35 sewer pipe (4.22″), providing a solvent-weld connection for drainage, waste, vent, and sewer applications. Westlake also identifies this fitting as alternate part number P657.

Features

• 4″ x 4″ DWV to SDR35 sewer adapter coupling
• Designed to transition between 4″ DWV and 4″ SDR35 sewer pipe
• Hub x hub configuration
• Solvent-weld connections on both ends
• 4.50″ nominal pipe OD on DWV side
• 4.22″ nominal pipe OD on SDR35 sewer side
• Molded PVC construction
• White finish
• Designed for non-pressure DWV and sewer applications
• Meets applicable ASTM D2665, F1866 and CSA B181.2 requirements
• Alternate Part Number: P657

WFI1A17071