In most cases, it is not necessary to shut off the water supply to change an ice maker. However, it is always recommended to consult the specific instructions provided by the manufacturer of the ice maker you are working with, as the exact steps may vary.
Generally, the process of changing an ice maker involves disconnecting the power supply and removing the mounting screws or brackets that secure the ice maker in place. Once these steps are completed, you can disconnect the water supply line that feeds water to the ice maker.
While it is not mandatory to shut off the water supply, it is a good practice to do so as a precautionary measure. This will prevent any accidental leaks or water flow while you are disconnecting and reconnecting the water supply line. Shutting off the water supply can typically be done by locating the shut-off valve near the ice maker or by shutting off the main water supply for your home.
Again, it is crucial to follow the specific instructions provided by the manufacturer to ensure a safe and successful installation or replacement of the ice maker.