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The MUELLER STREAMLINE ABSCAPFIP112 is a 1-1/2 inch ABS DWV cap with female iron pipe thread (FIPT) connection. This fitting is used to terminate or close off the end of a 1-1/2 inch ABS drain, waste, and vent pipe run. Threaded closure fittings like this one are standard hardware in residential and light commercial plumbing systems where access or future serviceability at a pipe terminus is required. Licensed plumbers and pipefitters install this cap during new construction, remodel, and repair work on DWV systems.
This cap is suited for indoor drain, waste, and vent piping applications in residential and light commercial settings. It threads onto the end of a 1-1/2 inch male-threaded ABS fitting or adapter to cap off a branch line, stub-out, or cleanout riser. Typical install scenarios include capping cleanout stubs during rough-in, closing unused branch tees, and terminating vent runs where future extension is anticipated.
Designed as an OEM-style replacement and standard-use fitting for 1-1/2 inch ABS DWV piping systems with male iron pipe thread terminations.
Installation is performed by a licensed plumber in accordance with local plumbing codes and the International Plumbing Code (IPC). Shut off water supply and verify the line is depressurized before threading the cap onto the fitting. Apply an appropriate thread sealant or PTFE tape to the male threads before installation. Do not overtighten, as ABS fittings can crack under excessive torque.
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