An example of a multiport tee with PEX-B pipe. These preformed pieces can reduce a large number of fittings if used in a well-laid-out plumbing system. This article first appeared in the May/June 2025 ...

We may receive a commission on purchases made from links. Two of the most common kinds of modern piping materials for plumbing work are PEX and PVC. PEX, which stands for cross-linked polyethylene, ...