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.

The International Association of Plumbing & Mechanical Officials said recently that it’s on track to bring its 87th annual Education and Business Conference to Albuquerque’s picturesque Hyatt Regency Hotel Sept. 25-29.