Heating system: pressure loss

It is a few weeks that I have noticed and increasing loss of water pressure. Everything started three weeks ago, when I decided to stop the heating of the house since it was getting warmer and warmer. In that occasion I discovered that the pressure was lower of almost 0.5 bar.

I have already spoken with the plumber but he is not too sure about the reason why our heating system is loosing so much water in such a short time without leaving any kind of traces on walls, floor, whatever.

Now I have filled the system again in order to reach a pressure of about 2 bar. I’ll keep observing the manometer and see how fast it declines.

I’m starting to think that the expansion vessel might be not working correctly anymore. The name of the make is Pneumatex, while the model is Statico SD80.3Here some further specifcations.

Many weeks later I decided to try to solve the issue: have a look at the follow up!

2 thoughts on “Heating system: pressure loss

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