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PAY ATTENTION!!! I made a slip of the tongue in the first formula. Not Sn+Q, but Sn x Q. But the calculation itself is correct. My apologies! Those who, for whatever reason, decided to install a circulation pump on the heating system, often face the problem of choice. Which pump to buy? How to choose the right pump in accordance with the pressure characteristics suitable for a given heating system? And how to find out these characteristics? We will talk about how to find out the pressure and volumetric flow of a circulation pump in this video.