International Association of Certified Home Inspectors
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| Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections. |
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#1
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Has anyone ever seen a valve like this on the PVC exhaust?
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#2
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Yes, but I have no explanation as to why it is there.
Jeffrey R. Jonas Critical Eye Property Inspections JRJ Consultants Owatonna, Minnesota Chapter President InterNachi Awards Portal: http://co.nachi.org/inachiawards/
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#3
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Isn't that the combustion air intake side?
You can argue with intelligent people but to argue with a mush head is like trying to grab fog-Thomas Sowell |
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#4
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The one that I saw was on the intake. It was a farmhouse, and all I could figure was they closed it in warmer weather (no a/c) to keep rodents out. (vacant home, no seller to ask).
Jeffrey R. Jonas Critical Eye Property Inspections JRJ Consultants Owatonna, Minnesota Chapter President InterNachi Awards Portal: http://co.nachi.org/inachiawards/
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#5
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Quote:
Probably not good if it is not open during the heating season. You can argue with intelligent people but to argue with a mush head is like trying to grab fog-Thomas Sowell |
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#6
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Another pic--valve is on the lower pipe from the inducing fan.
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#7
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Never seen one.
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#8
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I have a carrier furnace with the intake from the outside and have a wood furnace in my home what happens when it gets real cold the cold air comes into the intake of the gas furnace turns into mousture in the fire box in my furnace and sits in a little cup shaped pan under the burner igniter and if you don't keep a eye on it it will fill up and the igniter is in water
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#9
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So they want to close the exhaust ?
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