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The people that boast about "never having their boiler serviced & it being 10 years old!" I find very funny. They think their boiler must be running spot on & have saved a fortune in servicing costs. Usually their boiler will have had way too much air mix & therefore highly inefficient, but less likely to soot. Not forgetting the shell & baffles will be caked with corrosive blocking sulphur & the nozzle likely blocked inside. That said, in fairness, many boilers are not done properly by service engineers & are a waste of money.
I think I read that the optimum CO2 with oil is 15% (meaning the oil is fully used) but this figure is not attainable as boiler will soot etc.
I think I read that the optimum CO2 with oil is 15% (meaning the oil is fully used) but this figure is not attainable as boiler will soot etc.
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