What type of boiler supplies heat at pressures not exceeding 160 PSI?

The type of boiler that supplies heat at pressures not exceeding 160 PSI is indeed a low pressure hot water heating boiler. This classification is specifically defined by its operating pressure limits, which are crucial for ensuring safe and efficient heating in residential or commercial settings.

Low pressure hot water heating boilers operate at relatively modest pressures, typically below 160 PSI, and are designed to provide heating through hot water distribution. This makes them ideal for applications where lower heating temperatures are adequate, such as in heating buildings or providing process heat.

Understanding this classification is important for plumbing contractors as it influences the selection of equipment based on the requirements of a given project, ensuring both compliance with safety standards and operational efficiency. High pressure steam boilers operate at significantly higher pressures, while medium pressure hot water boilers and residential heating boilers may have specific applications but do not align with the specified pressure limits of 160 PSI.