---Versatile Compatibility: This coupling seamlessly connects 16mm underfloor heating pipes to 15mm copper pipes, bridging the gap between modern underfloor heating systems and traditional copper pipe infrastructure. Its design ensures a tight, secure fit, minimizing the risk of leaks and ensuring optimal water flow. ---High-Quality Materials: Constructed from durable brass, this coupling is designed to withstand the rigors of both high and low temperatures, ensuring long-lasting performance. The brass material also offers excellent corrosion resistance, further extending the lifespan of the coupling. ---Ease of Installation: Engineered for simplicity, this coupling can be easily fitted without the need for specialized tools or professional plumbing skills.