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Posted by HeatPro on September 03, 2007 at 10:26:53:
In Reply to: Re: Boiler Replacement Proposals - What should I do? posted by rbeck on September 02, 2007 at 21:22:42:
I think the thing to do these days is to rethink the situation. Oil is getting to be a better alternative as the 'foot-shooting' industries of cast and steel boilers and oil companies who shrunk from more than half the residential heating industry to less than 5% of the nation start to realize that bio-diesel oil is best used in heating homes while petroleum stays on the road making goods and transporting them. A residential fuel with NO sulphur nor poisons is a good opportunity.
The problem is burning down below a .65 nozzle while faking service. I think the answer is to have .85 nozzles in ordinary boilers with stainless glass-coated secondary passages to recoup condensation heat, then to quickly take the remaining hot water from the boiler upon shut-down into a large tank like an Ergomax to heat the home and hot water after a good long burn, as does a System 2000 sensor. A combustion control like those used in diesel trucks are already created, making combustion testing automatic and constant.
These ideas aren't yet accepted by the industry; but as soon as they are they have a wide-open future. It means they can start educating again instead of faking it to hide the handicap of sulphuric corrosion in condensing boilers; but Europe is almost ALL condensing oil burners at greater than 935 efficiency now. US manufacturers have to stare and quake every time they go to the European oil equipment shows; while European manufacturers come here to dump their no-longer-needed non-condensing cast units here.
The choice is to grin and bear the rotten situation here sticking with poison-control fuel, use bio-diesel now, or go to gas while the old guys retain old ways until the up-comers see beneficial opportunities for the nation.