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The MUELLER STREAMLINE ABSCOTHHFIP22112 is an ABS DWV test tee fitting used in drain, waste, and vent piping systems. It features a 2 inch by 2 inch by 1-1/2 inch configuration with two hub (H) inlets and one female iron pipe thread (FIPT) outlet. The test tee allows access for pressure testing and cleanout in DWV systems during rough-in inspections or service calls. Licensed plumbers install this fitting in residential and light commercial applications where code-compliant drainage system testing is required. ABS construction provides chemical resistance and durability in below-grade and above-grade drain applications.
This fitting is used in ABS DWV drain, waste, and vent systems in residential and light commercial plumbing. The hub connections accept standard 2 inch ABS pipe, while the 1-1/2 inch FIPT port accommodates threaded plugs or test caps during system pressure testing. It is a common rough-in fitting installed during new construction and remodel work where inspection test points are required by the local plumbing code.
Designed as an OEM-style replacement and standard fitting for ABS DWV drain, waste, and vent piping systems requiring a 2 inch by 2 inch by 1-1/2 inch hub by hub by female iron pipe thread test tee configuration.
Installation should be performed by a licensed plumber in accordance with the International Plumbing Code (IPC) or applicable local plumbing code. Shut off the water supply and ensure the system is depressurized before cutting into any existing drain line. Hub connections require proper ABS solvent cement and primer applied per the cement manufacturer instructions. Thread the FIPT port connection with an appropriate thread sealant to ensure a leak-free test cap or plug seat during pressure testing.
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