Hi.
I have a modern Halstean Eden VBX18 boiler (open vent system) which has worked fine thoughout the summer heating the the hot water for washing but when I started the central heating system for this recent cold snap the boiler would start up and run for a few minutes and then shutdown and remain off.
Restarting the heating system would result in the same problem.
I have checked for air locks and the pump keeps running even when the boiler stops.
Some of the upstairs radiators gets warm during the short burst of operation indicating the contol valve is operating and since the sytem does start up, if only for a short time, I guess the room themostat is ok.
Can I assume that the control failure is with the boiler despite it working fine for hot water?
I have a modern Halstean Eden VBX18 boiler (open vent system) which has worked fine thoughout the summer heating the the hot water for washing but when I started the central heating system for this recent cold snap the boiler would start up and run for a few minutes and then shutdown and remain off.
Restarting the heating system would result in the same problem.
I have checked for air locks and the pump keeps running even when the boiler stops.
Some of the upstairs radiators gets warm during the short burst of operation indicating the contol valve is operating and since the sytem does start up, if only for a short time, I guess the room themostat is ok.
Can I assume that the control failure is with the boiler despite it working fine for hot water?
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