Do you have a question about the NUGK and is the answer not in the manual?
Questions and answers
J. SMith
April 10, 2025
I recently bought a house with an old HEIL furnace. I was told that the air filter should be checked and/or changed yearly. I can't find the location of an air filter, and it isn't addressed in the manual.
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Do you have a question about the NUGK and is the answer not in the manual?
Questions and answers
I recently bought a house with an old HEIL furnace. I was told that the air filter should be checked and/or changed yearly. I can't find the location of an air filter, and it isn't addressed in the manual.