Mike Lamb Posted June 21, 2016 Report Share Posted June 21, 2016 What would you guess the age of this electric furnace? Click to Enlarge 73.63 KB Click to Enlarge 23.03 KB Link to comment Share on other sites More sharing options...
Marc Posted June 21, 2016 Report Share Posted June 21, 2016 Late 70's, early 80's? Marc Link to comment Share on other sites More sharing options...
Nolan Kienitz Posted June 22, 2016 Report Share Posted June 22, 2016 Call the manufacturer and give them the number(s) (as noted on the image) and see what they have to say. It could be almost funny ...[^] Link to comment Share on other sites More sharing options...
Mike Lamb Posted June 23, 2016 Author Report Share Posted June 23, 2016 I went with 30 yrs old just because. It might be from the 90's but I don't consider age for on this electric furnace very important info. Link to comment Share on other sites More sharing options...
plummen Posted June 25, 2016 Report Share Posted June 25, 2016 89-90 Link to comment Share on other sites More sharing options...
Jim Katen Posted August 5, 2016 Report Share Posted August 5, 2016 FWIW, I just figured out that ES5Q3-631-1P is a Lennox model number, not serial number. Link to comment Share on other sites More sharing options...
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