Answer Question
Yes, even if you have a second shut off valve on water pipe near the fridge water filter, it's probably a good idea to always shut off the main water supply when changing a fridge water filter.
Do you have to turn water off to change water filter in a fridge?
How can you stop an icemaker on a GE fridge from overflowing in back with ice water?
Do you need to Turn Off Main Water supply to change Shower Head?
Do you have to turn off the water to change a direct line water filter?
How much does it cost to have a gas water heater installed?
While trying to remove the water filter in refrigerator, the cap that you twist, came off & won't go back on. Ideas on how to get it
How Much Water is Recommended to Drink Daily?