What are the definitions of various plumbing-related terms such as IR gap, backflow, back siphonage, and combination fixtures?
Understand the Problem
The text provides definitions and explanations of several plumbing-related terms, including concepts such as backflow, air gaps in water supply systems, and components of plumbing fixtures. It serves as a glossary or reference for understanding plumbing terminology.
Answer
1. Air Gap: Unobstructed vertical distance in water supply. 2. Backflow: Liquid flowing into potable water pipes. 3. Back Siphonage: Backflow from negative pressure. 4. Combination Fixtures: Multi-functional plumbing fixtures.
The final answer is as follows: 1. Air Gap: The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank or plumbing fixture. 2. Backflow: The flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable supply of water from any source. 3. Back Siphonage: A type of backflow caused by negative pressure in the supply piping. 4. Combination Fixtures: Plumbing fixtures designed to serve multiple purposes or functions.
Answer for screen readers
The final answer is as follows: 1. Air Gap: The unobstructed vertical distance through the free atmosphere between the lowest opening from any pipe or faucet supplying water to a tank or plumbing fixture. 2. Backflow: The flow of water or other liquids, mixtures, or substances into the distributing pipes of a potable supply of water from any source. 3. Back Siphonage: A type of backflow caused by negative pressure in the supply piping. 4. Combination Fixtures: Plumbing fixtures designed to serve multiple purposes or functions.
More Information
Back siphonage often happens when there is a sudden drop in water pressure, such as when a fire hydrant is opened. Combination fixtures can be things like a sink with an attached drinking fountain.
Sources
- CHAPTER 2 DEFINITIONS - 2021 INTERNATIONAL PLUMBING - codes.iccsafe.org
- Plumbing Terms and their Definitions - Water Damage Defense - waterdamagedefense.com
- Plumbing Terms - InterNACHI® - nachi.org
