Step 1
Place the container underneath the water dispenser, and push the dispenser lever to begin filling the container.
Step 2
Depress and hold the dispenser lever for five seconds and release it. Wait five seconds after releasing the dispenser lever, and hold the dispenser lever down again for five seconds.
Step 3
Repeat the push and release process until the container is filled with 3 gallons of water.
Step 4
Pour the container's water into the sink after the flushing process is finished.
Step 5
Flush the water system after installing a new filter cartridge, putting the refrigerator into vacation mode. Also, flush the system if the refrigerator was recently installed in your kitchen.