The valve connected to the right side of the faucet is the cold water supply line. Turn the cold water on the supply line clockwise to close it. Attach a 5/16-inch drill bit to your drill. Drill holes in the base cabinet walls to route the water line from beneath the sink to the rear of the refrigerator.

How much water should I run through a new refrigerator filter?

two to four gallons Run two to four gallons of water through the new filter. This helps prevent your water dispenser from sputtering and clears impurities left over from manufacturing. Check for leaks around the filter.