The Castle Rock, Colo., town council has approved the adoption of IAPMO’s Uniform Plumbing Code (UPC) Appendix M—the Water Demand Calculator—as an alternative methodology for sizing water pipes in ...

The Water Demand Calculator represents the most impactful innovation in pipe sizing in nearly a century. It is the result of a multiyear effort to develop a new statistically based pipe-sizing method ...

Pipe sizing diagnostics indicate the decline in the hydronic system’s performance is not due to incorrect pipe sizing, the following hydronic system inspections and repairs may lead you to a solution.

Air can enter water pipelines in several ways, often from dissolved air coming out of solution due to pressure fluctuations, ...