F1960 Fittings has the water supply at the bottom and the return water at the top, which will not affect the heating temperature and heating cycle.
However, there must be a prerequisite, that is, the filter valve installed on the manifold is also on the intake bar. In other words, if the incoming water is connected to the bottom, then the filter must be replaced below.
It is a relatively common problem that the up and down directions of the water inlet and return water of the water separator are installed. The reasons for it include two aspects.
One is PEX Fittings Wholesale, which is looking for someone to install the pavement. The construction staff has insufficient work experience or negligence, and the work is dry, resulting in the wrong connection of the upper and lower positions of the water supply and return water after the external pipeline penetrates the wall and enters the house.
The second reason is that the main heating pipeline in the corridor was completely renovated and replaced, and the constructor failed to observe carefully and made a mistake when re-welding the main pipeline to the household pipeline outside the wall.