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- Tue Feb 05, 2013 10:11 pm
- Forum: All Other HVAC Questions
- Topic: Miller furnace cold air..
- Replies: 1
- Views: 5019
Miller furnace cold air..
I have a Miller furnace, there is a small opening in front where the oil line comes in from outside and connects to the burner, a rectangular shape opening that also lets cold air in. Not sure if I can plug this hole with say a towel or if its some sort of cold air return that needs to be left alone...