How are pressure relief valves typically selected for installation in plumbing systems?

The selection of pressure relief valves is primarily guided by the manufacturer's specifications. These specifications provide critical information regarding the appropriate pressure rating, size, and application requirements of the valve to ensure it operates effectively within the plumbing system. Adhering to these parameters is essential for safety and performance, as each valve is designed for specific conditions and uses, such as the maximum allowable pressure and temperature. When properly matched to the system's requirements, the valve will function correctly, preventing excess pressure that could lead to potential hazards or system failures.

While local codes are important and must be considered, they supplement but do not replace the specific guidelines set by manufacturers. Similarly, while the material of the pipes and user preferences may influence the choice of components, the primary determinant should remain the manufacturer's specifications to ensure the establishment of a safe and efficient plumbing system.