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  #1  
Old 7/14/18, 8:46 PM
Mark Giangarra Mark Giangarra is offline
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Default Common venting between a water heater and furnace

I don't this correct.

The water heater is being vent into a common metal chimney lower than a furnace flue.

I know the lower btu appliances goes on top. I just think someone came along and hook-in incorrectly


Any thoughts
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  #2  
Old 7/15/18, 1:39 AM
Nicholas R. Peres's Avatar
Nicholas R. Peres Nicholas R. Peres is online now
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Default Re: Common venting between a water heater and furnace

From here looks like water heater flue is plumbed in wrong, rise is wrong, possibly wrong diameter as well. How many floors? Was the water heater backdrafting?
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  #3  
Old 7/15/18, 6:08 AM
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Michael Bitterman, CMI HI7792 Michael Bitterman, CMI HI7792 is online now
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Default Re: Common venting between a water heater and furnace

From here it looks wrong. I would also have checked the pitch on the water heater vent pipe.




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  #4  
Old 7/15/18, 7:17 AM
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Marcel R. Cyr, CMI Marcel R. Cyr, CMI is offline
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Default Re: Common venting between a water heater and furnace

Defect.

https://www2.iccsafe.org/states/seat...pendix%20B.pdf



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  #5  
Old 7/15/18, 2:10 PM
Mark Giangarra Mark Giangarra is offline
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Default Re: Common venting between a water heater and furnace

Thanks.

Didn't even think out the pitch angle.

It just looks like someone took off the end of the metal chimney flue off and stuck in the water heater flue.

Will call it out both.

It does go up 2 stories. Built in 1974, and both appliances area gas fired.
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