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AEET Energy Group GmbH
Schwarzer Weg 5
D-37581 Bad Gandersheim
Telephone: 05382 - 955 979 - 0
Telefax: 05382 - 955 979 - 9
In the past, the majority of underfloor heating were installed with plastic tubes, which are not impermeable to oxygen. Meanwhile, it is fortunately easily possible to produce heating pipes for floor heating systems and to obstruct the diffusion function on nearly tight. Indeed, the best heating system also disposes of enough elements, which cannot call this quality their own. This is valid not only for valves, screw connections, circulating pumps, but also for control units, automatic breathers and defective expansion vessels. At these places, it also comes in very modern heating systems to an unintentional oxygen admission. This oxygen, a too deep pH factor, but also a raised conductivity of the filling water are typical triggers for damages of heating installations.
To guarantee a long life span for modern heating systems, all manufacturers give comprehensive tips and directives. These suggest demineralizing the filling water for every heating system. A reason for it are experiences from the practice, which underpin that already minimum steps of hardness in the filling water lead to damages in high-quality devices like gas-fired hot-water tank, warm pumps and solar arrangements. One of the most frequent causes is the amount of lime in the filling water. Using the example of a detached house with a heating system of 350 liters system water content results in average amount of 100g lime in the filling. Although this amount may seem small, it is able to damage by lime precipitation the built heating system permanently. The amount of lime increases, of course, with the amount of the used filling water. In addition, it varies from region to region due to the different degrees of hardness of the tap water.
Also damaging for sensitive devices such as heating baths is the penetration of the filling water with salts. Therefore, it comes to corrosion of the lines within the heating system. Electrochemical reactions have a harmful effect on the metallic parts of the system and accelerate the wear process. Benefiting from a high amount of salts the formation of galvanic elements is promoted that ultimately cause this corrosion. It also contained in the unfiltered water, chlorides, sulphates and nitrates have their not insignificant proportion.
It is true that, at simple softened water, calcium and magnesium ions exchanged for sodium ions, thus removed from the water hardness, and significantly lowered the hardness grades, but the salinity of the water remains unchanged. In case of modern systems, an important damage factor remains completely unchanged.
Earlier it was especially set for inhibiting corrosion on chemical types of corrosion protection. In many cases, however, it was found that especially in hard to reach places on glands, but also in already by rust and dirt damaged places no more active protective effect could be obtained and the real problems were solved so only dissatisfactory. Made even more difficult to perform such protection method proves the need for constant monitoring. This is not only time-consuming but also costly. The attempt to split the heating system into two parts (heating circuit and kettle circle) by using heating exchangers, only leads to two separate problem areas in the long run, but not to sustainable solution to the problem. In addition, modern heating systems are significantly more prone to silting, blockage of control valves and pumps and precipitation by lime and other water constituents. The consequences range from quick corrosion breakthroughs in the boiler, flow noises by gas developments, increased energy consumption to serious water damage.
An excellent approach, not only for new but also for existing heating systems, provides the Eylsator Industrial. With it, a reaction vessel with high-purity magnesium anodes is in the heating system easily installed through a bypass or shunt. The side product of this reaction is magnesium hydroxide. By this the increase in pH is favored and is raised in the optimal range.
By these reactions decreases not only the electric conductivity but also the hardness of the water depending on the exact composition of the heating water. The heating water is finally only a low-salt, alkaline liquid with an extremely minimal oxygen concentration. The probability of corrosion in a system with such heating water is extremely unlikely.
In normal use, corrosion residues are deposited on the volume flow rate. In a phase of restructuring, they must be blown down repeatedly until the water is finally clear.
Only in case of a very old heating system or one, which was often cleaned with chemicals, the system water must be flushed thoroughly before using the ELYSATOR Industrial. A typical cleaning chemical would be SANLOH-15. After this basic cleaning the heating system requires only every 3 to 5 years of maintenance. Here you only have to replace the anode with a new one. For the operation, the Elysator Industrial requires no external power supply or any other additives. Not for nothing the Elysator Industrial is the market leader in the segment of corrosion protection. For over 30 years, this system is successful in heating and cooling systems, increases significantly the lifespan of those systems, and reduces the maintenance costs significantly. Due to its simple installation, you cannot only protect new heating systems but also existing systems after it’s been thoroughly cleaned. Count on Elysator, benefit from our experience and save yourself money. Repairs to heating systems are always expensive and the price of a ELYSATOR makes only a fraction of that.
Data and materials
The content of a heat accumulator (water) can be used to determine the Elysator by subtracting the total amount of water, for example, in solar systems.