Replacing or repairing a central heating system can be a costly and inconvenient process. It is possible to reduce the extent of problems that can develop over the lifespan of the system by carrying out a few basic preventative measures. This will not only minimize the risk of break downs, but also help in saving you a considerable sum of money that would have been required for repair-work.
It can happen that over time your system will accumulate a large amount of compounds that are detrimental to efficient running, for example iron oxide and lime scale. Iron oxide is created by the corrosion of the heating system pipes, whereas the limescale is caused by calcium molecules that are present in the water.
If either of these compounds were to build up excessively, the heat exchanger, coils, valves, and pumps may fail prematurely. Iron oxide appears as a black sludge, while limescale appears as a chalky white substance. Any strange residues can be an indication of a problem.
If your boiler is not working efficiently, the heat transfer effect of the system will be less than it should, and you will end up burning more fuel, which of course would incur a higher cost. An inefficient boiler would also increase your household’s carbon footprint and add to the impact you are having on the natural environment. The following maintenance tips should help to ensure that problems are kept to a minimum at all times.
If you believe that the boiler Geen warm water is not as efficient as was previously the case, you may need to power-flush the complete system. This would involve the use of a special machine, which can remove and dislodge the compounds that have built up within. Water is pumped through at a high velocity, though with low pressure to prevent damage, until the system is fully clean. A strong magnet may be used in the power-flush process to help in removing metallic compounds such as iron oxide.
As mentioned above, corrosion is one of the biggest problems in modern central heating systems. To prevent the process from causing serious damage, it can be worth adding a corrosion inhibitor. An inhibitor is a special chemical which when added to the system’s water forms a thin film like surface on the pipe work, thus reducing the rate at which alloys and metals decay and corrode. The best inhibitors can reduce damage by as much as ninety per cent.