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Succasunna, NJ
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[#1] Posted: Jan 14 2010 - 04:18:52 AM |  |  |
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After about 13 years, this is a first for me.
My question would be is the fan changed; after all a cat III is 'under pressure' while a cat I is 'atmospheric'.
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Darren
Succasunna NJ
New Jersey Home Inspections
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Another 'First'
[#2] Posted: Jan 14 2010 - 07:44:24 AM | | |
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Just a wild guess; but a 3-inch vent is consistent in size from the boiler to terminus. so pressure ranges within the vent are probably equal anywhere along its length. However, when you vent into a chimney using a short connector the chimney flue will be far larger, and can vary in size along its length, so the atmospherics would be inconsistent from boiler to terminus.
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Another 'First'
