Yesterday I bought it and immediately installed it, fortunately, I did not need to buy any additional spare parts. At the first start of the system, it began to flow in stages. It looked like this: turned on - flowed from one place - turned off - tightened - turned on - flowed from the next place - turned off - tightened - turned on - flowed from another place - turned off - tightened - turned on . It flooded robustly. I was engaged in connecting this system for the first time and stretched all the elements before installation, but, being afraid to damage the plastic elements, I did not tighten it too much. In general, this is a working moment and you just need to know it. At least write about it in the instructions. As for the quality of filtered water, I can say that the taste has changed for the better. The chlorine smell is gone.
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