A pressure reducing valve can last anywhere from three to five years. A home with a faulty pressure reducing valve may have problems. When a homeowner notices the pressure reducer valve isn't working, he should have it replaced.

When should a pressure reducing valve be replaced?

PRV Age. The spring in the diaphragm can lose tension over time. Make sure you replace your PRV every 4-5 years to avoid problems due to age.

Do I need a new pressure reducing valve?

Do I Need a Pressure Reducing Valve? ... If the pressure is 80 psi or higher, he goes to the homeowner and recommends having the valve installed (which he, of course, is happy to do). For the home inspector, this is an issue of liability. The city code for new home construction states the psi cannot be higher than 80.