Whether you’re a seasoned heating engineer or a confident DIYer, taking a radiator valve out shouldn’t mean draining the whole system. The Heatlab Ultimate Radiator Valve Change Bung Set changes everything, you need it in your plumbing tools. What Makes It the Ultimate? Eliminate the need to drain your system: With our 15 mm & 22 mm hard‑silicone caps and the clever DripStopper, you get a fit—even on odd or corroded cold feed vents. Slip‑resistant silicone: Trade-grade material that grips like it means business—no more bung slippage mid-job. Back‑bung functionality + drip protection: The DripStopper doubles as a back bung while catching drips or sludge—keeping your workspace clean and safe. Pro-grade organisation: Comes complete with your very own storage bag—no more loose parts rattling around the van. Designed by the Pros, for Professionals From our workshop in Herts to your toolbox, Heatlab’s tools are developed from 20+ years of real-world plumbing and heating experience. As a Gas Safe registered business, we design gear that does the job—time after time—so you work smarter, not harder. Use It On Radiator valve replacements without draining the system Header tank servicing or vent sealing Odd-sized, old or damaged plumbing systems where standard bungs fail What’s in the Box 15 mm hard-silicone bung cap 22 mm hard-silicone bung cap Universal DripStopper back-bung/catcher Durable storage pouch
