![How to correctly vent this kitchen sink? The red line I have made is where the top of the sink will be. The drain pipe is cast iron and I am replacing How to correctly vent this kitchen sink? The red line I have made is where the top of the sink will be. The drain pipe is cast iron and I am replacing](https://i.redd.it/x7jdncclw6w41.jpg)
How to correctly vent this kitchen sink? The red line I have made is where the top of the sink will be. The drain pipe is cast iron and I am replacing
![plumbing - How can I replace this unusual kitchen sink drain pipe? - Home Improvement Stack Exchange plumbing - How can I replace this unusual kitchen sink drain pipe? - Home Improvement Stack Exchange](https://i.stack.imgur.com/anJst.jpg)
plumbing - How can I replace this unusual kitchen sink drain pipe? - Home Improvement Stack Exchange
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Image result for diagrams of plumbing venting | Bathroom sink plumbing, Sink plumbing, Kitchen sink plumbing
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