Antifreeze for heating

The owners of individual houses from the heating system is often the question arises, what is best to fill in as a coolant: water, antifreeze or household. This is due to the desire to keep their customers from freezing during various emergency situations. In most cases, it depends on specific conditions. First of all, these are the operating conditions used boilers, heat exchangers, pumps, etc.
Water as a coolant - the most accessible, affordable, and environmentally friendly option. However, it has several disadvantages:
Maintenance of all sections of the heating system must be in the positive temperature range, otherwise the water can freeze.
The chemical composition of water is far from ideal. It contains many impurities such as iron, salt, chlorine, etc. In this regard, the deposition takes place during heating of these elements on the inner walls of pipes, heat exchangers, heating elements. Naturally, this greatly affects the heat transfer and reduces the life of the system.
The need to drain water from the system during emergency outages during the autumn-winter period.
Antifreeze based on ethylene glycol are widely used, both abroad and at home and are considered the best coolant. Often, the term “antifreeze” is meant a liquid consisting of ethylene glycol and water. Of course, with the correct ratio of these components, the solution will provide a definite freezing point. However, in this form can not be used in heating systems, since it is corrosion-corrosive and it necessarily need to enter the corrosion inhibitors, antifoaming, antinakipnye and other additives. You should not be used as a coolant, known to all motorists, “Antifreeze.” It is not designed to operate in heating systems, especially if there is a combination of aluminum radiators with pipes of iron or steel. And the most high-quality antifreeze is not designed for such a long heating.
For individual heating systems often use such low-liquid, as the “Argus - Hatdip,” “Hot - Blood,” “Dixis”, “Nordiques”, “Sweet Home.” “Argus - Hatdip” not very well established as a coolant - it was a lot of complaints. The biggest negative of his - he “burned” in the system. This is due to the fact that there are practically no additives to ensure the stability of the coolant. In addition, it has low corrosion resistance. “Hot - Blood,” “Tex” - the most affordable and high quality of the liquid. Good reviews and “Hot Blood Eco.” It is used instead of ethylene glycol, propylene glycol, non-toxic.
Now let’s talk about the use of domestic anti-freeze.
Household antifreeze can be used in heating systems with almost all kinds of boilers: solid fuel, gas, oil-fired. The exception is the electrical system in which the coolant is heated by passing through it elektricheskog

9 March 2012

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