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

 
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  #1  
Old 3/12/11, 7:56 PM
Joseph Hagarty,  CMI's Avatar
Joseph Hagarty, CMI Joseph Hagarty,  CMI is offline
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Default Barometric Damper

Are they required for Oil Fired Boilers?
Found my first Boiler without one (barometric damper).....

Other concerns related to the heating system and flue but curious about lack of damper
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barometric-damper-dscf4070.jpg   barometric-damper-dscf4056.jpg  



Joseph P. Hagarty
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  #2  
Old 3/12/11, 7:57 PM
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Default Re: Barometric Damper

That is one question I never got right on the NHIE.



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  #3  
Old 3/12/11, 8:03 PM
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Joseph Hagarty, CMI Joseph Hagarty,  CMI is offline
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Default Re: Barometric Damper

LOL

I think the answer is "not required" but also "not a good idea"....
I am looking for a code or manufacturer requirement.
I have been unable to find one...



Joseph P. Hagarty
joseph.hagarty@comcast.net
Main Line Inspections, Inc.
Phone: 610-399-3675
Email: MainLineHI@comcast.net

http://pa.nachi.org/mainlinepa/about.html
http://www.householdinspector.com

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  #4  
Old 3/12/11, 8:06 PM
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Joseph Hagarty, CMI Joseph Hagarty,  CMI is offline
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Default Re: Barometric Damper

Also
No cleanout (which is unusual for masonry chimney)



Joseph P. Hagarty
joseph.hagarty@comcast.net
Main Line Inspections, Inc.
Phone: 610-399-3675
Email: MainLineHI@comcast.net

http://pa.nachi.org/mainlinepa/about.html
http://www.householdinspector.com

National President / NACHI (2003-2004)
NACHI Education Committee Member
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  #5  
Old 3/12/11, 8:14 PM
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Default Re: Barometric Damper

http://www.cbs.state.or.us/bcd/progr...lerdampers.pdf



You can argue with intelligent people but to argue with a mush head is like trying to grab fog-Thomas Sowell

Never underestimate the difficulty of changing false beliefs by facts. - Henry Rosovsky-Harvard

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  #6  
Old 3/12/11, 8:21 PM
Joseph Hagarty,  CMI's Avatar
Joseph Hagarty, CMI Joseph Hagarty,  CMI is offline
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Default Re: Barometric Damper

Agreed
as the article suggests, they are recommended for many reasons
but
...
are they required?



Joseph P. Hagarty
joseph.hagarty@comcast.net
Main Line Inspections, Inc.
Phone: 610-399-3675
Email: MainLineHI@comcast.net

http://pa.nachi.org/mainlinepa/about.html
http://www.householdinspector.com

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  #7  
Old 3/12/11, 8:36 PM
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Default Re: Barometric Damper

Quote:
Originally Posted by jhagarty View Post
Agreed
as the article suggests, they are recommended for many reasons
but
...
are they required?
As with most things the manufacturer knows best.



You can argue with intelligent people but to argue with a mush head is like trying to grab fog-Thomas Sowell

Never underestimate the difficulty of changing false beliefs by facts. - Henry Rosovsky-Harvard

Michael Larson
Hudson, WI

Services provided in East MN and West WI

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  #8  
Old 3/12/11, 8:49 PM
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Joseph Hagarty, CMI Joseph Hagarty,  CMI is offline
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Default Re: Barometric Damper

Part of the problem.
Installation manual shows one in the schematic drawing..
but
the installation requirements or settings are not mentioned anywhere in the installation and service manual that I have.
Attached Files
File Type: pdf 943.pdf (201.3 KB, 57 views)



Joseph P. Hagarty
joseph.hagarty@comcast.net
Main Line Inspections, Inc.
Phone: 610-399-3675
Email: MainLineHI@comcast.net

http://pa.nachi.org/mainlinepa/about.html
http://www.householdinspector.com

National President / NACHI (2003-2004)
NACHI Education Committee Member

Last edited by jhagarty; 3/12/11 at 8:57 PM..
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  #9  
Old 3/12/11, 9:34 PM
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Michael Larson Michael Larson is offline
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Default Re: Barometric Damper

I would have no problem recommending an HVAC tech service the unit periodically and determine if a barometric camper could improve performance.

Oil fired units are more likely to need maintenance on regular basis anyway when compared to gas fired units.

Having owned both I speak from experience.



You can argue with intelligent people but to argue with a mush head is like trying to grab fog-Thomas Sowell

Never underestimate the difficulty of changing false beliefs by facts. - Henry Rosovsky-Harvard

Michael Larson
Hudson, WI

Services provided in East MN and West WI

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