If you have microbore, you need to approach repairs differently.
Old microbore systems often used "gravity" hot water circulation (relying on heat rising) rather than pumps for the hot water cylinder. These are inefficient. Converting the system to a fully pumped system with motorised valves can improve efficiency and reduce boiler strain. microbore central heating problems
Because the pipes are so narrow, the resistance to water flow (hydraulic resistance) is high. The boiler pump has to work incredibly hard to push water through the system. If you have microbore, you need to approach
In standard systems, sludge might circulate freely. In microbore systems, the narrow pipes act as a filter, trapping even small pieces of debris. If you have microbore