change oil burner to gas burner

Steamhead (in transit)

but as with anything else, it has to be done right. There are even some brand-new boilers available from the factory with either oil or powered gas burners. These are roughly 6% more efficient than the typical atmospheric gas boiler. I've attached a pic of one we recently installed, a Smith G-8 steamer.

Since the Columbia is as old as it is, I'd consider replacing it with a G-8 if it falls into that size range. The Peerless is probably worth converting.

Make sure whoever does the conversion follows all manufacturers' instructions and local Codes. This includes, but is not limited to: clean out the boiler and chimney thoroughly, install a proper gas-type barometric draft regulator (swinging disc in smoke pipe) with a blocked-flue switch that stops the burner if it detects flue gas escaping, and adjust the burner using a digital combustion analyzer for at least 80% combustion efficiency and less than 20 parts-per-million Carbon Monoxide in the smoke pipe, measured on the "air-free" basis.

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Allymagee

Contractor wants to put gas burner in oil boiler

I have two fourplex rentals heated by oil and am desperate to change. The contractor wants to put a gas burner in the old Columbia oil fired steam boiler maybe 25 years old. He also wants to put a gas burner in the two year old Peerless oil fired steam boiler. Is he telling me something that will be inefficient and cost more in gas than switching to a gas boiler designed for that purpose?