I had a new oil furnace installed a few weeks ago. Is there a problem with this flue pipe? I've read you shouldn't reduce them : r/HVAC
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What kind of sealant should I use to seal oil furnace exhaust to chimney? : r/hvacadvice
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What is this vent thing on our boiler? It has never closed even partially and it smells like oil burner exhaust when the furnace kicks on. : r/whatisthisthing
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HVAC-Talk: Heating, Air & Refrigeration Discussion
