The international codes — plumbing, mechanical, fuel gas, building, residential and property maintenance — each contains, in the beginning, administrative provisions.

A safe domestic hot water system relies upon a good design, including piping layout and selection and placement of equipment.

This is a continuation of a summary of the significant code changes to the 2021 Uniform Plumbing Code (UPC) which is developed and promoted by the International Association of Plumbing and Mechanical Officials. 

This is a continuation of a summary of the significant code changes to the 2021 Uniform Plumbing Code (UPC) which is developed and promoted by the International Association of Plumbing and Mechanical Officials. 

A continued summary of significant revisions of the Uniform Plumbing Code to be published in the 2021 edition: backflow prevention devices, water distribution piping and check valves on water heaters.

A continued summary of significant revisions of the Uniform Plumbing Code to be published in the 2021 edition: water heaters for emergency eyewash, electric tankless water heaters, water heater efficiency.