Can I Use a Wye Below a Toilet? PVC Plumbing Facts

If you’re tackling a DIY bathroom renovation or troubleshooting a clogged toilet, you might be asking: “Can I use a wye below toilet PVC plumbing fittings?” It’s a smart question—because installing the wrong fitting under your toilet can lead to sewer gas leaks, frequent clogs, or even failed plumbing inspections. In this guide, we’ll break…