01-18-15, 08:16 AM | #12 |
Apprentice EcoRenovator
Join Date: Nov 2013
Location: Moore Oklahoma
Posts: 267
Thanks: 108
Thanked 23 Times in 21 Posts
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I had to run a new flue when I upgrade my furance to a 90% model. The combined 4" flue never did draft properly with just the WH pilot light. Replaced with 3" flue and it drafts properly now.
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