Will S Edisto Island , SC March 20, 2022 Appliance: LG Refrigerator LFX25978ST/00 Lg Refrigerator Lfx25978st/00: My water line was leaking, and decided to replace both of them. How to replace Refrigerator Water Supply Line. Pretty simple fix, swapping these two lines. It took more time moving the refrigerator away from the wall and removing the various panels than actually changing out the lines. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes