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Stewart, MN | Back in my HVAC service tech days I saw a few Tranes, Lennoxes and RUUD/Rheem downflow (fan on top) furnaces made to fit. They were the 90+ efficiency models with the PVC exhaust and fresh air intakes. IIRC they ran the pipes up through the old chimney cavity. A lot of the company's I listed have size and BTU specifications listed on their websites.
Edited by Farmboy1983 4/21/2013 22:00
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