The answer to 'price to replace pressure regulator' is that the cost can vary significantly depending on several factors. Typically, the price range for replacing a pressure regulator can be anywhere from $150 to $500, including labor and materials.
The specific cost will depend on the type of pressure regulator needed, the complexity of the installation, the location of the home, and whether any additional plumbing work is required. It's essential to get quotes from local plumbing professionals to get an accurate estimate for your specific situation.