MC4+ Rapide isn’t just powerful – it’s fast too. The high concentration guarantees a strong seal. Because it flows around the entire system, it gets to work even in tough to reach places. And with its quick-dose bottle design, 20 seconds is all it takes to add it to the system.

Homeowner Benefits:

• A simple way to seal small inaccessible leaks and weeping joints
• Helps avoid costly maintenance repairs

Installer Benefits:

• High performance leak sealer
• Reduces pressure loss on sealed systems
• No blocked pumps, valves or air vents
• Suitable for all heating systems
• Quick-dose bottle for speedier injection – takes as little as 20 seconds
• Versatile dosing options – via the radiator, air vent or boiler
• Available in 300ml bottle