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

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  #1  
Old 11/3/09, 1:08 AM
David Nasser's Avatar
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Default Staining around water heater vent piping?

Is this anything to write up? water heater vent piping leading from
indoor closet to roof. ( Staining )

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  #2  
Old 11/3/09, 6:25 AM
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Default Re: Staining around water heater vent piping?

single wall






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Old 11/3/09, 11:01 AM
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David A. Andersen, TN HI# 40 David A. Andersen, TN HI# 40 is offline
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Default Re: Staining around water heater vent piping?

Nice clearance!



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Old 11/3/09, 11:50 AM
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Default Re: Staining around water heater vent piping?

Yes. The flashing at the roof may be leaking.



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Old 11/3/09, 11:56 AM
Larry Kage, CMI Larry Kage, CMI is offline
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Default Re: Staining around water heater vent piping?

Quote:
Originally Posted by jfunderburk View Post
Yes. The flashing at the roof may be leaking.
I don't know Joe, it may have been designed that way to counteract the "too close to combustibles" issue.




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  #6  
Old 11/3/09, 3:36 PM
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Default Re: Staining around water heater vent piping?

Quote:
Originally Posted by lkage View Post
I don't know Joe, it may have been designed that way to counteract the "too close to combustibles" issue.
Nah it looks like condensation from the bathroom exhaust running down the pipe
Condensation is due to the flue pipe being cold from the open B vent below that is blowing combustion gas on to that insulation at the wall.
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