Have HVAC Questions? Ask an HVAC Expert for Answers
First furnace is a 100,000 btu***** Let me look up age
Let me see what I can find.
This one may be a tough one to find specs on. Looks like probably from the 1980s.Are you not where you can measure?You will most likely not find a coil to perfectly match sixe of opening on furnace .I see that you are a Lennox dealer, can you not fabricate a transition to fit to new coil?