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 off the water to change a direct line water filter?
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
Do you need to Turn Off Main Water supply to change Shower Head?
How much does it cost to have a gas water heater installed?
How can you stop an icemaker on a GE fridge from overflowing in back with ice water?
Do you have to turn water off to change water filter in a fridge?
How Much Water is Recommended to Drink Daily?