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Have you heard of "stove pipe" sanitary sewage lines/pipe?

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My builder is telling me about my sanitary sewage drain lines, as being stove pipe, and not the regular cast iron, PVC, etc. I haven't got a clue what he's talking about and his explanation does not make sense. As I understand it there should be a wet vent that the sewage goes down and a dry vent ti release pressure, say a toilet being flushed. Builder tell me the "stove pipe system" is both drain and vent in one??

What is he talking about???
asked in Plumbing by carrollton (120 points)
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1 Answer

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Hi Carrollton,
 
I wasn’t familiar with stove-pipe terminology used for waste disposal systems. From what I was able to dig out (not much information about the stove sanitary drains) is tapered and inserted into the other one, and so on. Unlike two sections of PVC pipe which require a coupling to join them together.
 
The sanitary sewage lines are equipped with manholes that serve as an inspection access point and sewer gasses ventilation port. They pretty much play the same role as the vent stack in the home’s plumbing system. 
 
Let me know if this helped and if there’s anything else I can help you with.
answered by darekrudy (21,730 points)
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