The answer to 'how much to replace surge protector' is that the cost can vary significantly depending on several factors. In general, you can expect to pay anywhere from $20 to $150 or more to replace a basic surge protector for your home. The price will depend on the quality, features, and capacity of the surge protector, as well as the complexity of the installation.
Factors that can influence the cost include the type of surge protector (power strip, wall-mounted, or in-line), the number of outlets, the level of protection it provides, and whether it includes additional features like USB charging ports or coaxial/ethernet protection. Higher-end surge protectors with more advanced technology and greater capacity will be on the higher end of the price range.