With a history that goes back to 1775, the P-trap is an essential fixture in modern plumbing, especially after improvements by the legendary Thomas Crapper in the late 1800s. You’ll find this curvy ...

You read the headline correctly. We’re discussing the T-trap not the P-trap. First, a little Plumbing 101. The P-trap is that P-shaped curl in the drain below the sink (and other plumbing fixtures) ...