Boiler problem: Pump or Thermostat
Jedzi wrote :
My gut feel is that it's the pump, as the thermostat seems to be doing what
it should, ie cutting out when it gets too hot. I think the heating
engineer's advice makes sense, but if it is more likely it's the pump - I
don't want to waste £60 on the thermostat.
It could also be pipes which are silted up, causing poor flow - have
you checked?
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