4x3" ABS DWV Sewer & Drain Adapter (HUB x HUB)

4x3" ABS DWV Sewer & Drain Adapter (HUB x HUB)

The 4x3" ABS-DWV Sewer & Drain Adapter (HUB x HUB) is designed to connect 4-inch ABS pipe to 3-inch ABS pipe in sanitary drain, waste, and vent (DWV) systems. This non-pressure fitting provides a secure size transition for sewer and general drainage applications and meets ASTM D2661, CSA B181.1, and NSF Standard 14 for reliable performance and long-lasting durability.

Not intended for transporting compressed air or gas and should not be used for pressure testing. Suitable for applications where operating temperatures do not exceed 140°F. Installations should be protected from incompatible chemicals, fire-stopping materials, and thread sealants that may damage ABS compounds.

Standards & Compliance

• ASTM D3965 – Made from virgin ABS polymers suitable for pipe extrusion and molded fittings.
• ASTM D2661 – Complies with Schedule 40 ABS DWV pipe and fitting requirements.
• CSA B181.1 – Certified for ABS DWV pipe, fittings, and accessories.