Rhode Island Journeyman Plumber Practice Exam 2026 - Free Journeyman Plumber Practice Questions and Study Guide

Rhode Island mandates the installation of a pressure reducing valve (PRV) when the water supply pressure exceeds 80 psi. This requirement helps to regulate the water pressure within a plumbing system to prevent potential damage to pipes, fixtures, and appliances. Excessive pressure can lead to leaks and premature wear on plumbing components, which emphasizes the importance of controlling pressure levels.

While other pressures, such as 50 psi, 60 psi, and 70 psi, might be suitable for different applications or regions, they do not align with the specific regulation in Rhode Island regarding when a PRV is required. Recognizing the correct pressure threshold ensures that the plumbing system operates safely and efficiently, adhering to state guidelines.