The International Association of Plumbing and Mechanical Officials (IAPMO) recently published the monograph of proposed changes to the WE-Stand, which is short for Water Efficiency and Sanitation Standard. The document was previously identified as the Green Supplement.

The one cry we hear from building owners is, “There are never enough shutoff valves where you need them.”

There are four remaining state-written plumbing codes used in the United States. You could say that the remaining four states are just stubborn. Maybe they think they do it better than the model plumbing codes, but they don’t.

UA flexes its muscles at code-change hearings.

Controls have improved, but work still needs to be done to protect against thermal shock.

Let’s talk 2021 code changes.

Separate strainers needed if designing a combined primary and secondary system.

Support falls short on changes proposed for green supplement.

These editions represent the most current approaches in the plumbing and mechanical fields, IAPMO notes.

Understanding the protocols set in codes is key even when the messaging is confusing.