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Question About Lennox Hearth Furnace 120HCD-12A
Looking for manual to identify and install filter ...

Looking for manual to identify and install filter in old Day & Night furnace. The model number listed is 120HCD-12A Series #652

Asked by Mohan on 12/30/2012 1  Answer

ManualsOnline posted an answer 11 years, 10 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Vanessa thompson posted an answer 11 years ago

0 How old is the furnace we have one also and don't know the age of it
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