I Wonder Why This Number Is Rising So...
Politics0 min ago
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For more on marking an answer as the "Best Answer", please visit our FAQ.Hi montserrat. Heating flow should be turned on, buy I am not sure that there is any valve on flow&return pipes. Set the boiler pressure to 1bar. Once the boiler is working the pressure rises but here is a place for an expansion vessel to control it. If its too high (apprx3bar) safety valve will eject some water from the system, so your house is not going to blow up.
Go to vokera pages and ask for operation and maintenance guide!! Good luck, denaj