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Properties attributed to the hydraulic separator, which it does not have, in fact. The hydraulic arrow is installed in the overwhelming majority of cases when it is not needed at all. The cost of the boiler room from such an unnecessary installation only becomes greater. See the catalog of videos of my channel here: http://www.teplowoda.ru/video Website: http://www.teplowoda.ru/ VK: https://vk.com/club77517367 Telegram channel: https://t.me/teplowoda Facebook: / teplowoda1 Zen: https://dzen.ru/id/5fd8d6670e30e806cd... Rutube: https://rutube.ru/channel/30591681/