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Hi Some say 1bar and same for boiler, but the label shows 0.75bar and seems to be better as was at 1bar.

Hi, not serviced for a while, had replacement pressure vessel and PRV which has made a difference, before lost pressure on water or heating serveral times a day. Now with water on pre warm dont loose pressure constantly but yesterday wife said water was cold and found water released from PRV...

Have an ideal logic 35 boiler, logic. Was loosing pressure several times per day on water and heating but just had new vessel and PRV fitted, now water fine, but on heating would be ok while heating on, rads hot and pressure ok, when heating stops and fan runs for 5mins then boiler stops the...