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Inspecting HVAC Systems Topics include heating, venting, and air conditioning inspections.

 
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  #1  
Old 10/5/10, 11:04 PM
Michael J. Merino's Avatar
Michael J. Merino Michael J. Merino is offline
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Default Electrical ductwork
Anyone know what this is? It is in a crawlspace and all I think it could be is sensors for the humidifier. But I am not sure.
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  #2  
Old 10/5/10, 11:18 PM
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Default Re: Electrical ductwork
Is the Romex 110 and did you open the Junction box would be my question.Also is that a return?
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  #3  
Old 10/5/10, 11:26 PM
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Michael J. Merino Michael J. Merino is offline
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Default Re: Electrical ductwork
I am assuming it is 110 by the romex and I did not open it. I wonder if it is a booster fan?


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Last edited by mmerino; 10/5/10 at 11:30 PM..
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  #4  
Old 10/6/10, 5:26 AM
Brian A. MacNeish Brian A. MacNeish is offline
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Default Re: Electrical ductwork
Quote:
Originally Posted by mmerino View Post
I am assuming it is 110 by the romex and I did not open it. I wonder if it is a booster fan?
Probably your best guess without labels on the inserted device. May also be an inline duct heater.
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  #5  
Old 10/6/10, 7:17 AM
Larry D. Kage Larry D. Kage is offline
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Default Re: Electrical ductwork
Quote:
Originally Posted by mmerino View Post
Anyone know what this is? It is in a crawlspace and all I think it could be is sensors for the humidifier. But I am not sure.

Booster fan would be my guess, too.


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  #6  
Old 10/6/10, 7:29 AM
ldapkus ldapkus is offline
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Default Re: Electrical ductwork
Damper control unit?
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  #7  
Old 10/6/10, 5:04 PM
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Charley L. Bottger Charley L. Bottger is offline
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Default Re: Electrical ductwork
My vote Booster fan


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  #8  
Old 10/6/10, 5:31 PM
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Default Re: Electrical ductwork
Hmmm booster fan seems to be the rage here but why does it need one?
Mike is this a extra long vent system?
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  #9  
Old 10/6/10, 6:09 PM
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Michael Roberson Michael Roberson is offline
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Default Re: Electrical ductwork
I in agreement with the booster fan, or damper theory. As it looks like a retro-fit, Im leaning towards the booster fan. How many feet (approx) was this from the furnace?
Seeing it installed with Duct tape doesn't inspire any confidence.
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  #10  
Old 10/6/10, 7:58 PM
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Wayne B. Wilson Wayne B. Wilson is offline
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Default Re: Electrical ductwork
I would say a booster fan, Sensors would not use such a heavy wire


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  #11  
Old 10/6/10, 10:39 PM
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Charley L. Bottger Charley L. Bottger is offline
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Default Re: Electrical ductwork
Quote:
Originally Posted by belliott View Post
Hmmm booster fan seems to be the rage here but why does it need one?
Mike is this a extra long vent system?
Very common to see when the contractor screwed up the duct system to many drops on one run or some such thing will end up with a hot/cold room then comes the booster fan


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  #12  
Old 10/6/10, 11:52 PM
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Default Re: Electrical ductwork
Quote:
Originally Posted by cbottger View Post
Very common to see when the contractor screwed up the duct system to many drops on one run or some such thing will end up with a hot/cold room then comes the booster fan
Gottya
For that cold den in back.
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  #13  
Old 10/7/10, 1:20 PM
Matt Berman, CMI Matt Berman, CMI is offline
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Default Re: Electrical ductwork
booster fan, also recommend insulating all ducts and save money on heat, not so many cold rooms
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