The vessel did not have any water in it when checked and it did have air pressure so I assumed it was OK.
I pumped the expansion vessel to 1 bar on the gauge fitted to the pump. I then turned the heating system valves back on and filled the water system to just over 1 bar, but i didn't take note of whether the boiler pressure gauge was already reading a pressure. Is it best to repeat this process to identify if the boiler gauge does read 1 bar after pumping up the expansion vessel?
but i didn't take note of whether the boiler pressure gauge was already reading a pressure. Is it best to repeat this process to identify if the boiler gauge does read 1 bar after pumping up the expansion vessel?
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