The SOLDER RING 28mm x 28mm x 15B Reducing Tee SRRT‑282815 is a lead‑free copper solder ring plumbing fitting designed to join 28 mm and 15 mm copper pipework with ease. Pre‑loaded with solder for quick, secure joints without guesswork, this reducing tee is ideal for hot and cold water systems, central heating and general plumbing installs that demand reliable, watertight performance. Engineered to British and European standards, it’s a trusted choice for trade and DIY pipework projects.