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The AQUALINE GPN-20-30 is a Schedule 40 galvanized steel pipe nipple with a 2-inch nominal diameter and a 3-inch overall length. It serves as a short threaded connector used to join sections of pipe, fittings, valves, and other threaded components in water supply, irrigation, and general plumbing systems. The hot-dip galvanized steel construction provides corrosion resistance suitable for wet and exposed environments. Both ends are male NPT threaded for direct connection to female-threaded fittings. Plumbers and pipefitters install this nipple in residential and light commercial applications where a compact threaded extension or union between components is required.
This nipple is suited for water supply lines, irrigation risers, pump connections, and general pipe assembly work in both above-ground and in-wall installations. The 2-inch nominal size is common in main water distribution runs, pool and spa plumbing, and irrigation manifolds. Schedule 40 wall thickness meets standard pressure requirements for typical residential and light commercial service. Licensed plumbers, pipefitters, and irrigation contractors handle installation in code-governed systems.
Designed as an OEM-style replacement and standard fitting for 2-inch Schedule 40 threaded galvanized steel piping systems.
Installation should be performed by a licensed plumber or pipefitter in accordance with applicable local plumbing codes and the International Plumbing Code (IPC). Shut off and depressurize the water supply before beginning work. Apply thread sealant tape or pipe joint compound to NPT threads before assembly. Do not overtighten threaded connections, as this can crack fittings or distort threads.
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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