I need to increase the pressure to the boiler, how should I proceed? I checked on YouTube and found a couple of systems but they do not apply to my model (at least not at first sight).

Some pics here (click for full size):

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This boiler also feeds the floor heating system.


2 Answers 2


Here's the manual in Italian and Spanish1, if you can read it.
The part about pressuring is usually covered at the beginning in maintenance but more fully explained in the installation section.

1 Cheers for clarifying the language.


Turn the Blue lever clockwise to add water/pressure to your central heating system!

  • Hello, and welcome to Home Improvement. There's not much information here; would you edit to clarify a bit? And, you should probably take our tour so you'll know how best to contribute here. Dec 25, 2020 at 16:29

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