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BWT’s heating protection programmeHelps save heating costs and avoids disruption to
the system from air ingress and limescale deposits.

Heating protection

BWT AQA therm – optimises the heating water  

The design of heating systems has become increasingly compact over the years. The smaller heat transfer surfaces we have today are the most efficient, although their size makes them more vulnerable to disruption. Only carefully controlled, co-ordinated cycles, buffers, temperature stratifications, mixers, control valves, pumps, etc. can deliver high energy efficiency. And, for the heating system to work as economically as possible, it must also be supplied with the correct heating water..

 

BWT Heating protection

Perfect water for efficient heating that complies with regulatory standards

If standard drinking water is used to supply the heating system, it can create a number of problems in the home. The calcium dissolved in the cold water is initially invisible, but as the water is heated and enters the heating circuit, the calcium is partially released and forms deposits. The heating system furs up, resulting in blockages and malfunctions. Rust can also damage the system. The resulting air inflow causes noises in the pipes and reduces the heat output of the radiators situated at the highest points in the building. The entire system, including the circulation pump, is therefore functioning ‘below par’.

 

More energy is then required to keep the apartment or house warm and cosy, as the calcium coats the pipes and acts like home insulation. This time, however, there is a downside: a mere 1mm layer of calcium on a heat exchange surface reduces the heat transfer coefficient by some 80%, which then reduces effectiveness and efficiency by up to 20%. This indicates that heating systems should be supplied and operated with soft water or water with a low saline content.

 

Heating is more efficient without limescale and clogging

The BWT AQA therm concept is the ideal solution, because the perfectly-tuned AQA therm products desalinate and soften the main and supplementary water supply to comply with current regulations. BWT AQA therm prevents disruptions caused by the release of calcium and calcium deposits and the introduction of air into the system. This then lowers heating costs, reduces noise levels in the house and ensures that the heating system functions perfectly. Protection of the heating water also helps maintain the value of the house in the long term, as an efficient heating system is essential for conveying a home’s comfort and quality. The system is also designed to have a long operational life that lasts for decades.