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According to the Beacon Boiler ref.

Daniel_3 Member Posts: 543
My old Delco model DB-4S has a steam rating of 505. Is that number a measure of the capabiltiy to take care of 505 sqft. of EDR? It also states that the heating sq ft. is 46.5. How do I find out the actual btu's for this boiler which was converted from oil to gas. Does the conversion make any difference?
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