Waste Oil Heater Forum - Your definitive source for burning waste oil for heat.
		Waste Oil Heater => Fuel Oil Furnaces => Topic started by: koolkris on January 31, 2009, 11:49:15 pm
		
			
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				can anyone tell me aprox. how many cfm of combustion air does a normal size furnace gun put out? like a beckett or like the lenox russ has pictured
			
 
			
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				Depends if you are talking siphon, or pressure nossel, siphon I have noticed puts alot up the stack for your temp, where pressure puts it all in the room, so what ya running?
			
 
			
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				kyle i sent you a pm