Hello everyone. I appreciate and thank you in advance for helping me on this one.
Of all the research I have been able to come across, I have been unable to determine the age of an International of Utica Gas Furnace. Model GL-135E
This is very old, and appears to be pre-1976 (based on what I have found online).
Any advice would be helpful.
Probably won’t help you much but consider the research of theBuilding Intelligence Center. Unfortunately, I do not see your particular serial number being addressed. However it may be helpful to note that International of Utica last manufactured HVAC equipment in 1972.
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Thank you. I use the site all the time, however, like you, I found the serial number did not match up, and that is why I posted on here.
I appreciate the feedback on the cpmpany itself.