Isolation valves should be located no further than what distance from a fixture?

Isolation valves are crucial components in plumbing systems as they allow for the easy shut-off of water supply to specific fixtures during maintenance or repairs. The requirement that isolation valves should be located no further than 30 inches from a fixture is based on practical accessibility and safety considerations.

Having isolation valves within this distance ensures that a plumber or homeowner can quickly and easily access them in case of an emergency or when needing to perform routine maintenance. This is vital for minimizing water damage or preventing prolonged interruption of service.

Positioning the valves too far away would complicate access, potentially leading to difficulties in turning them off when needed. The distance of 30 inches strikes a balance between being out of immediate sight yet still easily reachable, which aligns with best practices in plumbing installations.

Understanding this standard helps ensure compliance with codes and enhances the overall functionality and safety of the plumbing system.