Plumbing Tools-4PCS Radiator Bung Silicone Rubber Bungs for Holes 15-22mm and Heating Valve Caps,Blanking Cap Plug Stop End Caps,Water Pipe Hose Stopper

High-quality Silicone Material: The radiator bung is made of silicone material, safer than traditional rubber plugs, not easy to fall off, and more reliable—ensuring a secure sealing effect Universal Size: The silicone plug is suitable for plugging pipes with a diameter between 15mm and 22mm, suitable for most standard radiators. Rectangular base for improved grip and ease of use Resistant to Hot and Cold: Plumbing & heating bungs perform stably across a wide temperature range, making them suitable for maintenance and other scenarios, with no deformation Radiator-specific Design: When replacing or repairing radiator valves, the plumbing plugs are used to plug the drain directly, avoiding the need to empty the entire central heating system Simplify the Repair Process: Radiator draining kit avoid the mess of leakage during repairs, helps professional plumbers complete the work quickly, and serves as a practical tool for pipeline repair