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Posted by steve on November 24, 2007 at 15:04:57:
I have an old boiler that needs replacing due to a crack. I am wondering if it is possible to have a dual fuel oil and natural gas fired boiler. This way I can use whichever fuel is more efficient. So far I haven't been able to find such a boiler and someone pointed out I would need two chimneys so that the gas one could be clean and lined.