Posted by Doug on 10/17/2003, 2:29 pm, in reply to "Worcester 350 Boiler" --Previous Message-- Does the pressure releif valve discharge? Check the charge on the pressure vessel. It sounds as if the charge is lost or the vessel requires replacing.
: My Combi boiler has started making large swings in pressure from
: when it is not in use and cold to then the heating is on. I.e
: moving from just under 1 bar to nearly blowing the relief valve
: at 3 Bar. Does anyone know what is wrong?
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