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Hi, I changed a radiator at the weekend and re-pressurized the system but it never goes above 0.2 bar. When I run the hot water tap even though cold water comes out you can hear the boiler fire up and starts burning oil, but the water stays cold throughout. I've bleed the values and hope all...

When the h/w or heating is on the boiler doesn't seem to be burning any oil and nothing heats up. Pressure has been checked and is 1.5 bar, all radiators checked and bled if needed. Lockout on boiler not on. Any help please and thanks in advance.