Pressure Guage
I have a Worcester 24CDi Combination Boiler, The pressure guage has increased from 1bar to 3bar.?
The water fill up key is not inserted and the water fill up valve is turned off. If I drain the radiators until back to 1Bar then it slowly increases again until 3Bar is reached. Hot water and Central Heating still work. Any ideas?
so long as its not needing recharged everyday,then it sounds like the plate heat exchanger has a weak joint in it allowing the mains water to get into the central heating water.turn the cold mains isolator valve off under the boiler,then drain off some of the pressure in the system.if the pressure is now stable then that will be the fault.
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