Help understanding Allegro Furnace Operation
My Allegro BUS 39 is a 1999 model with a basement furnace. I started it up and found that it operates fine, however, understanding how it operates is a bit confusing to me. I posted several pictures i...
Forum Discussion
They run a duct to the basement to keep the plumbing from freezing. That could be what the duct to the the front furnace is for.
