High concentrate formula that removes debris, scale and sludge. Restores heating efficency, reducing heating and maintenance bills. Works one hour after application. Can be left in the system for up to 28 days. Suitable for all heating systems. Treats...

Internal leak sealer for small, inaccessible leaks and weeping joints which reduce system pressure. Effective within 24 hours. Suitable for mixed metal systems, including aluminium. Does not cause blockages in circulator pumps or air vents. 500ml treats...

Removes debris, scale and sludge. Restores heating efficency, reducing heating and maintenance bills. Works one hour after application. Can be left in the system for up to 28 days. Suitable for all heating systems. Treats 100 Litres (up to 10 standard...

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...

Silicone paste used as an external leak sealer and jointing compound. 1 Year Guarantee Suitable for Compression Joints & Screw Fittings For External Use

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....

Disperses sludge, limescale and system debris. Suitable for mixed metal systems, including aluminium. Restores circulation and improves heating efficiency. After cleaning and flushing an inhibitor should be used. Compatible with No Nonsense products....

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...

Starts removing magnetite, debris and scale within an hour of being added. Can be dosed through the MagnaClean filter, and left in the heating system for up to 7 days. Treats 100 litres or up to 10 single panel radiators. Suitable ​for all heating...

External leak sealer and jointing compound ideal for sealing low-pressure leaks and weeping joints quickly and easily. Provides seal without setting hard, allowing joints to be undone later. Easy to apply and clean up. Suitable for compression and screw...