AEET Energy Group GmbH

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AEET-Engineering by Elysator

easy – matching – sustainable

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Safe heating water

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For the energy-efficient heating

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Rust protection for heating systems


Compared to our established Elysator type 50 type 75 type 100 type 260 type 500 and type 800, the Elysator trio uses three solution processes simultaneously. More effective and sustainable than with ELYSATOR a heating system cannot be protected absolutely.

Elysator trio Type 10, Type 15, Type 25

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.

Elysator ® trio & data sheets

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AEET Energy Group GmbH
Schwarzer Weg 5
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Telephone: 05382 - 955 979 - 0
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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.

Counteract corrosion from the beginning

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.

1. Degassing

In cold heating water dissolve gases, which are released after reheating. Especially in high heating seasons this process is repeated many times during a month. Thereby, small gas bubbles develop. A similar process can be observed every day in their own mineral glass. What we perceive as pleasant tingling during drinking, proves far less positive for a heating system. What we perceive as pleasant tingling turns out for a heating installation by far less positive.

In such the heating water cools in the radiators and heating circles. Then here it also "breathes" these gases one around them later in the boiler again "to exhale". However, the bubbles are carried along in each circulation process in the heating water. The heating characteristics of the water are thereby significantly reduced and the power consumption increases. Conventional ventilators can remove larger gas deposits, but the variety of bubbles remains completely untouched.

To remove these bubbles, it requires a special filter. The fine micro bubbles are retained by these and grouped into larger gas deposits that eventually can be vented. Only the larger gas depots have enough buoyancy to independently can penetrate in the high altitude areas of a heating system in which they can be removed. Due to the large amount of microbubbles created not only a significantly increased energy consumption, but also flow noise in the heating system, which can be quickly perceived as disturbing.

The Elysator makes itself however in this step the solution temperature difference in the everyday process of circulation on its own and uses this as a pump to remove air and gas. Thanks to special filters, all gas and air pockets can be removed at any time. There is no use of external energy needed. The filter cartridges are on top made of stainless steel and almost wear-free.

2. Anode protection

An excellent approach, not only for new but also for existing heating systems, provides the Eylsator trio. With it, a reaction vessel with high-purity magnesium anodes is in the heating system easily installed through a bypass or shunt. By this the increase in pH is favored and is raised in the optimal range.

The probability of corrosion in a system with such heating water is extremely unlikely.

3. Magnetic flux filter

To prevent debris clogging the heating circuits and favoring pitting, mud must be filtered out of the heating system regularly. Commercially available mud collectors operate with flow filters according to a based on the principle of gravity. Here, however, only coarser particles are detected. But in Elysator trio a new type of magnetic flux filter is used. This means not only it is filtered in a conventional manner, but additionally with two very strong permanent magnets. These have the advantage that almost all corrosion particles have magnetic properties. The magnet placed outside of the heating system has a tensile force of 220 newton and operates therefore absolutely unrivaled on the market. Due to its positioning, the blowdown can be done at any time and without interrupting the heating. For the blow down withdraw the magnet so the particles are released and can be removed easily through the blow down tap.

Operation and Service

The ELYSATOR trio requires little maintenance. In the Elysator trio an operation display informs about the anode protection at any time. It is self-regulating. The higher the pointer lashes out, the more the device is challenged. The anode replacement is simple and is due every three to five years when the display goes into the red zone.

The micro air bubble deposition requires no maintenance. The magnetic flux filter should be blown down as needed, but at least once per heating season. To blowdown the heating must not be interrupted, the operator itself does it with a few simple steps. In case of heavy accumulation the system is to be blowdown before installing the unit; it would take too long to filter large amounts of residues. Even chemical. Water additives must be removed thoroughly before use.

Data sheet Elysator Trio

  • Kettle material
    • Chrome steel V4A
  • Insulation
    • Sheet steel / foamed plastic
  • Performance data
    • Type 10
      • System water contents < 500 litres
      • Flow rate Elysator trio < 3 m³ / H
      • Connection dimension 1 inch
      • maximum operating pressure < 10 bar
      • maximum operating temperature < 90° Celsius
    • Type 15
      • System water contents < 1,500 litres
      • Flow rate Elysator trio < 5 m³ / H
      • Connection dimension 1.5 inches
      • maximum operating pressure < 10 bar
      • maximum operating temperature < 90° Celsius
    • Type 25
      • System water contents < 5,000 litres
      • Flow rate Elysator trio < 7 m³ / H
      • Connection dimension 1 inch
      • maximum operation pressure < 10 bar
      • maximum operating temperature < 90° Celsius