The answer to 'how to replace surge protection' is to replace your home's surge protector every 3-5 years or if it has been damaged. Surge protectors help safeguard your home's electrical system and connected devices from power surges and spikes that can cause costly damage. When it's time to replace your surge protector, turn off the power, remove the old unit, and install a new one that is rated for your home's electrical needs.
Be sure to choose a surge protector that is UL-listed and has enough capacity to handle the electrical load in your home. It's also a good idea to have an electrician inspect your home's electrical system when replacing the surge protector to ensure everything is functioning properly and safely.