You use your refrigerator every day. Consequently, regular maintenance has to be done to ensure it functions the way you need it to. Knowing how to replace Sub-Zero water filters is one of the most important maintenance tasks to perform.

How to Replace Sub-Zero Water Filter

Learn how to change Sub-Zero water filters by following the instructions for your filter type below.

Why You Need to Replace the Water Filter

Refrigerator water filters are responsible for keeping your drinking water pure and fresh. However, when your refrigerator water tastes bad or your ice maker ice tastes bad or smells funny, your filter replacement is probably overdue.

But how long does a Sub-Zero water filter last? Sub-Zero water filters are rated for 750 gallons or one year, whichever occurs first. So if you haven’t replaced your refrigerator water filter before, it’s time to learn how to replace Sub-Zero water filters.

How to Replace Sub-Zero Twist-In Water Filter

There are three Sub-Zero models that would require you to know how to replace Sub-Zero water filter twist-in style. Here’s what to do.

  1. Access the filter according to the model you own.
  2. Turn the old filter one-quarter turn counterclockwise and pull it out.
  3. Remove the packaging from the new filter and take off the plastic cap.
  4. Insert the new filter and turn clockwise until secure inside the manifold.
  5. Discard the first full bucket of ice produced by the new filter.
  6. Dispense several cups of water to purge the line and discard the water.
  7. Press and hold the water filter reset button for 5 seconds to reset the filter indicator.

Watch this video for full details on changing the Sub-Zero Twist-In water filter.

how to replace Sub-Zero water filter

Image from Sub-Zero, Wolf, and Cove

How to Replace Sub-Zero Push-In Water Filter

Here is how to replace Sub-Zero water filters for the push-in style:

  1. Pull out the bottom edge of the grille assembly and tilt the grille forward.
  2. Push the filter cartridge in then pull it out to remove.
  3. Remove the packaging from the new filter and take off the plastic cap.
  4. Line up the cartridge so the locking tabs can be inserted into the filter manifold.
  5. Push the filter in until you hear a click. Tug slightly on the filter cartridge to ensure it is securely in place.
  6. Press and hold the water filter reset button for 5 seconds to reset the filter indicator.
  7. Flush the filter using the process described in steps 5 and 6 above.
changing refrigerator water filter

Image from Sub-Zero, Wolf, and Cove

When you need Sub-Zero refrigerator repair you need someone you can trust. DeserTech Appliance Service technicians are factory-authorized and repair all Sub-Zero models and configurations.