How Many Plumbing Fixtures Can You Put on a Vent?

If you’re remodeling your bathroom, adding a new sink, or planning a full kitchen overhaul, you’ve probably asked yourself: How many plumbing fixtures can you put on a vent? It’s a common—but critical—question. Getting it wrong can lead to slow drains, gurgling pipes, or even sewer gas leaks. Fortunately, plumbing codes and industry standards provide…