Meet the Smith-Cooper 1-1/4 in. MPT Stainless Steel Close Nipple—a compact, corrosion-resistant connector designed to join two female-threaded fittings with precision and reliability. Crafted from lead-free stainless steel, this nipple is built for potable-water lines, radiant heating, and light industrial piping where space is tight and leak prevention matters. With 1-1/4 in. MPT on each end, it provides a sturdy, easy-to-install connection that stands up to daily use.
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Ends: 1-1/4 in. MPT on each end
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Material: Stainless steel for superior corrosion resistance and long life
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Lead-free: Lead-free construction suitable for potable-water applications
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Maximum pressure: Rated up to 300 psi
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Packaging: Bagged for clean, ready-to-install condition
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Applications: Ideal for connecting two female-threaded fittings in potable-water systems, heating runs, irrigation, and other piping where a short, reliable link is needed
Why choose this close nipple? Stainless steel delivers lasting performance in moist, humid, or outdoor environments where carbon steel would corrode over time. The Smith-Cooper name signals consistent manufacturing quality with a lead-free profile that aligns with modern plumbing standards, offering peace of mind in daily use and long-term projects alike.
Practical installation tips: use a compatible pipe-thread sealant rated for stainless steel on the MPT threads, ensure threads are clean and undamaged, and snug the connection appropriately to avoid leaks without over-torquing. Always verify system pressure and application requirements to stay within the 300 psi rating.
