3/4″ PEX Coupling – Heavy-Duty Brass, 5-Pack

Upgrade your plumbing system with the **KAINGA 3/4″ PEX Coupling**, a heavy-duty brass fitting designed for reliable, long-lasting performance in both residential and commercial applications. Whether you're working on water supply lines, radiant heating systems, bathroom or kitchen installations, or RV water connections, these precision-machined fittings deliver a secure, leak-resistant seal every time.

Engineered from high-purity brass with exceptional corrosion resistance and thermal ductility, these couplings are built to withstand demanding conditions. With a **pressure rating of up to 1200 PSI** and a temperature range from **-65°F to +250°F**, they ensure durability in harsh environments while maintaining compliance with **NSF and UPC certifications** for potable water use. Compatible with PEX A, B, and C tubing, these fittings pair seamlessly with stainless steel press sleeves, clinch clamps, and copper crimp rings (press rings not included). Trust KAINGA for code-compliant, high-performance plumbing solutions that prioritize safety and longevity.