actorma Posted March 12, 2012 Report Share Posted March 12, 2012 Can anyone tell me the year of my Williamson oil forced air furnace? Any other information you can give me about the furnace would be great, too. This IS a Williamson, right, even though it says "Underwriters Laboratories"? Thanks!! [^] [:-magnify In case you can't see the image well, these are the numbers on the faceplate: NO.: R-880764 MODEL NO: 1167-10-5 D58 SERIAL NO: 7913153 Click to Enlarge 32.84 KB Quote Link to comment Share on other sites More sharing options...
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