Unglued Furnace Venting

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  #1  
Old 11-20-14, 10:31 AM
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Unglued Furnace Venting

I have a high efficient furnace that vents with 2" PVC. The PVC coupling inside the basement are all glued. However, outside where the pipes terminate, there are they are not.

There are two, 3" stubs of that pipe sticking out the side of the house. They both have couplings attached and a length of pipe and elbows. However, I can remove all that leaving just the two stubs sticking out the side of the house.

I am concerned. Is this standard or did they forget to finish the job?

Most importantly, is this a carbon monoxide risk?

Is it possible they pull off the pipes and the pipe would slide back into the wall?
 
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Old 11-20-14, 06:22 PM
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The pipes are not going to slide back into the wall.

It's not good practice to leave terminations unglued but I've seen a number of installers who did it regularly saying by doing so it made it easy for inspection (or cleaning if needed) of the pipes.

No, it is not a carbon monoxide risk.
 
 

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