1-1/2 inch ABS DWV Trap Adapter – Slip Joint Connection
The 1-1/2 inch ABS DWV Trap Adapter is a standard component for drain, waste, and vent applications. Manufactured from high-strength ABS (Acrylonitrile Butadiene Styrene), this adapter transitions from hub connections to slip joint outlets for trap assemblies, providing reliable sealing and ease of maintenance access under sinks and lavatories.
Engineered for compatibility with ASTM D2661-compliant piping systems, this adapter is designed for gravity-fed, non-pressurized systems. Its black thermoplastic body resists impact and chemical corrosion commonly found in residential and commercial drain lines. The included slip joint nut and washer allow for tool-free connection and disassembly of tubular trap arms during installation or servicing.
Key Advantages
- Solvent Weld Hub x Slip Joint configuration allows for fast, secure trap installations.
- Non-Metallic Construction – Will not rust or corrode, ideal for high-humidity environments.
- Impact-Resistant ABS maintains structural integrity during jobsite handling and temperature variations.
- Low Friction Interior improves waste flow efficiency and reduces build-up within drain assemblies.
- Meets UPC/IPC Code Requirements for DWV system use in residential construction.
Technical Specifications
- Material: ABS thermoplastic
- Nominal Size: 1-1/2 inch
- End Connections: Hub x Slip Joint
- Application: Residential/commercial DWV systems
- Certifications: Compliant with ASTM D2661 and CSA B181.1
Installation Notes
Solvent weld the hub end to ABS DWV pipe using approved ABS cement. Slip joint connection accepts tubular trap arms and includes a nylon or polypropylene compression washer. No tools required for trap arm disassembly. Ensure pipe ends are clean and square-cut to maintain sealing integrity.
Common Use Cases
This adapter is frequently installed beneath lavatory sinks and kitchen sinks, providing a transition from fixed ABS drain piping to removable trap assemblies. Also suitable for replacement or retrofit work where fixture access is limited.
Material Insights
ABS is preferred in DWV installations due to its rigidity, resistance to scale buildup, and stability across a wide temperature range. It does not require primer during joining, unlike PVC, simplifying the installation process in the field.
Note for Contractors: The 1-1/2 inch ABS DWV Trap Adapter is a reliable and code-compliant choice for new construction or service work requiring consistent performance and easy maintenance access. Ideal for applications where disconnection of the trap arm may be required without cutting pipe.
