Internal leak sealer developed for use throughout a central heating system to seal microscopic, inaccessible leaks and weeps which may cause pressure loss and boiler breakdown. Saves time and money on draining down the system and repair costs. Does not...

For use in domestic heating systems for sealing small inaccessible leaks. Quick and convenient, doses in only 30 seconds. Works best in warm / hot circulating water. Once dispersed evenly in the system water it is effective within 1-24 hours. The sealing...

Effective, universal pH neutral, non-foaming liquid cleaner, which removes sludge, scale and debris from existing central heating systems to restore heating efficiency and eliminate boiler noise. Quick and easy to remove from the system, saving time on-site....