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The B38;K LLC 423-020 is a Schedule 40 polyethylene pipe nipple sized at 1/2 inch nominal diameter by 2 inches in length. Polyethylene nipples are used to create short threaded connections between fittings, valves, or equipment ports in low-pressure plumbing assemblies. Schedule 40 wall thickness provides adequate pressure handling for typical residential and light commercial water service applications. The part weighs approximately 0.05 pounds and ships in a minimum order quantity of 10 units. Plumbers and pipefitters select poly nipples where corrosion resistance, chemical compatibility, or weight savings are priorities over metal alternatives.
This nipple is suited for residential and light commercial plumbing systems where short threaded extensions are needed. Common applications include pump connections, irrigation manifolds, water treatment equipment hookups, and general pipe-to-fitting bridging in low-pressure water service lines. Its compact 2-inch length makes it appropriate for tight-clearance installations where a close nipple or longer schedule fitting would not fit properly.
Designed as a standard-duty replacement or stock nipple for 1/2 inch Schedule 40 threaded plumbing systems in residential and light commercial water service applications.
Installation is typically performed by licensed plumbers or pipefitters. Shut off water supply and relieve system pressure before removing or installing any threaded fitting. Use appropriate thread sealant or PTFE tape on all male threads per local plumbing code requirements. Verify that the receiving female threads and the nipple material are chemically compatible with the conveyed fluid before installing.
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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