Quote:
Originally Posted by BigNumbers
I'd follow along a line from the outside plumbed into your cold air intake in the basement. It's likely an insulated pipe.
Not what you sent - that's not what you want. it's a flap you turn in the house to open or close the vent:
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So this picture made me remember seeing a similar lever near my furnace. So walked into furnace room, find said lever. Loosen the nut and it swings freely back and forth. Clearly it is opening and closing something...possible re-directing air. Main difference for me it's in the main trunk coming OUT of my furnace.
Any ideas what the heck that would do?
**edit**
Upon further inspection, the "main trunk" I mentioned above appears to split into two after that flap. Only thing I can think of is it re-directs air into the hot air vent in my garage. Man...that's crazy.....