jasonmartin206 Posted November 23, 2008 Report Share Posted November 23, 2008 I have read the threads regarding this and even checked out the library and the file that was supposed to inlcude all this, but alas, it did not. So here is my question. I am trying to find this for a customer. What is the manufacture date of this furnace: maker: Olsen model # NAS 140 serial # 1118 It is a hydronic system Thanks for your help in advance! Link to comment Share on other sites More sharing options...
Tom Corrigan Posted November 23, 2008 Report Share Posted November 23, 2008 Pssst, If it's hydronic it's not a furnace. I know, I know. As WJ says "I makes us look bad". Link to comment Share on other sites More sharing options...
Brad Manor Posted November 23, 2008 Report Share Posted November 23, 2008 Is there a letter before the 4 digits of the serial? Olsen used A-1234 type of format for serial numbers from '59-'79. Olsen's phone # is 519.627.0791 -Brad Link to comment Share on other sites More sharing options...
homnspector Posted November 23, 2008 Report Share Posted November 23, 2008 I would call it a furnace if it is an enclosed type like an Apollo rather than an underfloor system. Link to comment Share on other sites More sharing options...
jasonmartin206 Posted November 26, 2008 Author Report Share Posted November 26, 2008 Originally posted by Brad Manor Is there a letter before the 4 digits of the serial? Olsen used A-1234 type of format for serial numbers from '59-'79. Olsen's phone # is 519.627.0791 -Brad Waiting to find out the answer to that from the home owner. Also, I just realized I probably should have posted this in the HVAC area, if the mods wanna move this question? Link to comment Share on other sites More sharing options...
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