Sentinel - X800 Fast Acting Cleaner 1L, targeted central heating system cleaning inside an hour, restores system efficiency by targeting corrosion debris, ideal for hot and cold systems

Reviews

Alessandro

Anyway, this is a very good cleaner and will be using again! I added this to my system and let it run for 20 hours. A warm radiator turned hot.

Eric Johnson

I think the blockages is too severe for that one and requires pipe cutting out. But a cold radiator remained cold.