The answer to 'average cost of pressure regulator' is that the typical cost for a residential plumbing pressure regulator can range from $50 to $200, depending on several factors. The cost of the regulator itself is usually between $30 to $150, but installation by a professional plumber can add an additional $50 to $100 or more to the total project cost.
The specific price for a pressure regulator can vary based on the size and type of regulator needed, the complexity of the installation, and your local plumber's labor rates. High-quality brass or stainless steel regulators tend to cost more than basic plastic models. The cost may also be influenced by the accessibility of the installation location and any additional materials or permits required.