Review on Circulation pump Wilo PB-H089 EA (140 W) by Stanislaw Mirzalek ᠌

The problem is that the same type of pump has several categories. I bought this pump and connected it to a water tank located in the basement and the task of this pump was to raise this water to the first floor. But this pump in the "automatic" mode does not cope with the task, in manual mode YES. That is, it turns out that you have to go down, turn it on, go up to the top, wash your hands (conditionally), go down back to the basement and turn off the pump. I took the pump in for repair, I was sure that something was wrong. The answer of the master from the service was that everything is in order with him, and for the pump to work, there must be at least 03 atm pressure at the inlet, at least. And for my case, he said that there is exactly the same 089 pump with other letters) like at the end not EA but like ECX or AMP, well, something like that.