Plumbing drains

Horizontal Plumbing Drain Lines: Horizontal plumbing drain lines.

When a trap connects to a vertical drain, install a tee fitting. A “sanitary tee” gives the waste arm a slight downward slope, enough for good flow, but not enough to create a siphon.

Make your laundry room more attractive and functional by reworking the plumbing and adding a new sink and countertop.

If you're ready to tackle the task of remodeling your kitchen or bathroom, our plumbing vent diagram and simple DIY instructions will make it easy.

Learn why venting is one of the most important considerations when planning a plumbing remodel, plus must-know information on vent types, drainpipes, and more.

Here's everything you need to know about installing plumbing vent lines, plus materials, diagrams, and steps to help you succeed on this DIY home improvement or repair project.

When a trap connects to a vertical drain, install a tee fitting. A “sanitary tee” gives the waste arm a slight downward slope, enough for good flow, but not enough to create a siphon.

The popups have never worked properly on our bathroom sinks, so I decided to fix them. I hadn't looked at these traps before, and this just doesn't...

Learn an easy way to vent a toilet using just a few basic DWV fittings...You'll discover the Toilet Vent Size, Drain Size, and a few mistakes to avoid.

Doing your own plumbing? Avoid these common plumbing mistakes for a leak-free job.