How to Connect PVC Plumbing Vent to ABS Stack Vent Safely

If you’re upgrading your home’s plumbing or repairing a vent system, you might face a common—but tricky—challenge: how to connect PVC plumbing vent to ABS stack vent. Mixing these two popular plastic piping materials isn’t as simple as gluing them together. Doing it wrong can lead to leaks, sewer gas infiltration, or even failed inspections.…