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I have filled the heating system up tonight but other than that not since early summer. Ill have to check the expansion vessel and go from there! Thanks for your help, I'll let you know in due course. Chris

Thanks for your response Mandate. I have topped up the boiler and bled the system tonight to get the water pressure to 1.5bar in the CH system. The system has been on for the last 1hr 15mins and since I turned it on the boiler is cycling on and off with the pump running continuously. The...

Hi, I have a problem with the central heating on my Baxi 105HE combi boiler which I have been putting off fixing over the summer (logical time to fix it I know!). The boiler is producing hot water fine with no problems. On the heating side, the pressure of the system is almost if not at...