Where does my primary stack vent go? Does it have to be at the end of the run? I have a pretty simple plumbing system. From the highest point to where the drain enters the house (lowest) I have
Tub, then bathroom sink, toilet, kitchen sink, laundry, exit to sewer.
I'd like to put my main stack as the vent on the bathroom sink. Is that ok even though tub is higher up on the run?
My code says:
Vent connection at base. Every vent stack shall connect to the base of the drainage stack. The vent stack shall connect at or below the lowest horizontal branch. Where the vent stack connects to the building drain, the connection shall be located downstream of the drainage stack and within a distance of 10 times the diameter of the drainage stack.