MC4+® available in Rapide

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.

View product

THE LATEST

MCXS External Leak Sealer

The NEW external leak sealer and jointing compound is your next best friend.

Learn more

Helpful Tools

ADEY’s got some handy tools to help you protect your central heating system…

Savings Calculator

Enter your postcode to find your nearest merchant.

Water Hardness Checker

If you have any queries, feel free to contact us.

Product
Selector

Discover who your local Business Support Manager is.

MC4 Leak Sealer

Our highly concentrated MC4 is an incredibly effective way to deal with small leaks. Protecting and sealing from the inside, it can infiltrate really hard-to-reach places, reducing the need for a more costly repair. One dose could be all it takes to fix the leak and restore pressure.

How to Videos

Help & Support

Click to view our Customer Support, Savings Calculator and FAQs

Tool

Product
Selector

Get straight to the products you need in a few clicks.

Tool

Find a 
Rep

Discover who your local Business Support Manager is.

Tool

Find a
Stockist

Enter your postcode to find your nearest merchant .