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The VALUE COLLECTION AP02.00 is an aluminum expansion plug designed to seal and pressure-test pipe systems by expanding within the pipe bore to form a secure mechanical seal. The plug starts at an unexpanded diameter of 1.889 inches and expands to 2.440 inches, accommodating standard pipe inside diameters in that range. It is rated for a maximum working pressure of 9 psi and features a 1/2-inch stem diameter for tightening. This fitting is handled by plumbers and pipefitters during pressure testing, pipe isolation, or temporary shutoff operations.
This expansion plug is suited for residential and light commercial plumbing applications where a temporary or semi-permanent seal is needed in a metal pipe run. It is appropriate for use in drainage, waste, and vent lines as well as low-pressure supply-side test scenarios. The 1/2-inch stem accepts a standard wrench for controlled expansion. Its aluminum construction keeps weight low at 0.5 pounds while providing adequate corrosion resistance for most plumbing environments.
Designed as an OEM-style mechanical expansion plug for aluminum or compatible metal pipe with an inside diameter in the 1.889-inch to 2.440-inch range, typical of standard nominal pipe sizing in plumbing and HVAC drain systems.
Installation is performed by a licensed plumber or pipefitter. Isolate the pipe section and relieve all system pressure before inserting the plug. Use an appropriate wrench on the 1/2-inch stem to expand the plug until it seats firmly against the pipe wall — do not overtighten beyond hand-snug plus the turns needed to achieve a seal. Confirm the system is depressurized before removing the plug after testing.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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