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The MUELLER INDUSTRIES 2933 is a 1-1/2 inch ABS DWV coupling used to join two sections of 1-1/2 inch nominal ABS pipe in non-pressurized drain, waste, and vent systems. The fitting features solvent-weld hub ends on both sides, creating a rigid, permanent bond suited for gravity-flow piping layouts. At 0.07 pounds, it is lightweight and easy to handle in tight spaces. Licensed plumbers and qualified installers use this coupling in residential and light commercial DWV rough-in work during new construction and retrofit projects alike.
This coupling is intended for use in gravity-drain piping systems where non-pressurized flow is required. Typical applications include connecting ABS drain lines beneath sinks, in wall cavities, and within floor assemblies. Both hub ends accept 1-1/2 inch nominal ABS pipe, making it a straightforward choice for standard residential DWV configurations. It is not rated for pressure service or potable water supply lines.
Designed as an OEM-style replacement or new-installation fitting for 1-1/2 inch nominal ABS DWV piping systems in residential and light commercial drain, waste, and vent applications.
Installation should be performed by a licensed plumber in accordance with local plumbing codes and IAPMO or IPC requirements for ABS solvent-weld fittings. Shut off water supply and ensure the drain line is dry before cutting and joining pipe. Use ABS-rated solvent cement and primer as required by local code, and allow full cure time before restoring flow. Do not use this fitting in pressurized supply lines or above-ground applications exposed to prolonged UV without appropriate protection.
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