The answer to 'how long does pressure regulator last' is that a typical residential pressure regulator can last anywhere from 5 to 15 years, depending on factors like water quality and usage. Pressure regulators are designed to reduce the high water pressure coming into a home down to a safe, optimal level for the plumbing system and appliances. Over time, the internal components can wear out and the regulator may need to be replaced to maintain proper water pressure.
It's a good idea to have a professional plumber inspect your pressure regulator every 5-7 years to ensure it's still functioning properly. Signs that the regulator may need replacement include fluctuating or inconsistent water pressure, water hammer noises, or leaks around the unit. Replacing the regulator before it fails can help prevent damage to your plumbing and appliances.