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After living in the same house for 7 years and having much more snow, my vent on the roof was full of frost. The thermostat would kick on,but no heat.

This is the second time in 2 mths I had the vent taken off and cleared of frost. Once the vent was cleared the problem was gone. An elbow was left instead of 2 elbows on a pipe that was previously attached.

I asked the tech what else it could be, and he said maybe a secondary burner.$5000 for a new furnace installed and vented through the side if the house and not the roof. Will wait

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Vent removed from on roof [enter image description here

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  • 1
    What specifically is your question?
    – Alaska Man
    Feb 9 at 21:29
  • The furnace tech said to cap the roof vents. Then run the pvc horizontally through the basement wall.(assuming l get a new furnace) Eventually l'd have a roofing company tear out the stack and pipes and re-shingle the roof. How do l know a secondary burner isn't the problem?
    – Joe
    Feb 9 at 22:50
  • Joe search the site there are questions several from Canada where the temps of -30 and -40 the owners are having problems with horizontal systems freezing up.
    – Ed Beal
    Feb 9 at 23:24
  • 1
    Also, it appears that you may have created 2 accounts. Did you also ask this question? If that is also your question, please click here for instructions on how to get the 2 accounts merged so you can properly earn magical internet points that will allow you to comment on other people's posts (among other amazing features and benefits!)
    – FreeMan
    Feb 10 at 14:04

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