How to Change the Water Filter in a Sub-Zero Refrigerator

Change the Water Filter in a Sub-Zero RefrigeratorMaintaining the water quality in your Sub-Zero refrigerator is essential for both your health and the longevity of your appliance. Changing the water filter regularly helps ensure clean, crisp water and ice from your fridge. In this article, we will walk you through the process of changing the water filter in a Sub-Zero refrigerator.

Step 1: Identify Your Filter Model

Before you can replace the water filter, you need to identify the correct filter model for your Sub-Zero refrigerator. Check your refrigerator’s user manual or the manufacturer’s website to find the appropriate filter model. Common Sub-Zero filter models include 4204490, 7012333, and 7023811.
Note: The information provided below might not cover all Sub-Zero refrigerator models. Always refer to your refrigerator’s user manual or the manufacturer’s website for the most accurate information.

Sub-Zero Refrigerator Model Series Water Filter Model

BI-36U and BI-36UFD 4204490
BI-42SID and BI-42SD 4204490
BI-48SID and BI-48SD 4204490
BI-30U and BI-30UFD 4204490
PRO 48 Series 7012333
BI-42UFD 7023811
BI-48UFD 7023811
UC-15I, UC-15CI, and UC-15IO 7012333
UC-24C, UC-24CI, and UC-24RO 7012333

Please remember that this table might not include all Sub-Zero refrigerator models or water filter models. To ensure you have the correct water filter for your specific model, consult your user manual or contact Sub-Zero customer support.

Step 2: Purchase a Replacement Filter

Purchase a genuine Sub-Zero water filter from a reliable supplier. Avoid using non-genuine or counterfeit filters, as they may not provide adequate filtration and can potentially damage your refrigerator.

Step 3: Locate the Filter

Depending on your Sub-Zero refrigerator model, the water filter may be located in one of the following areas:

Inside the refrigerator, at the top right corner
Inside the refrigerator, at the bottom left corner
Behind the refrigerator’s grille, in the lower left corner or lower right corner
Step 4: Remove the Old Filter

For filters located inside the refrigerator:

Turn off the ice maker by raising the ice maker’s metal arm.
Press the filter release button or turn the filter counterclockwise to unlock it.
Pull the filter straight out and discard it.

For filters located behind the grille:

Turn off the ice maker by raising the ice maker’s metal arm.
Remove the grille by lifting it up and pulling it towards you.
Turn the filter counterclockwise to unlock it, and then pull it straight out.

Step 5: Install the New Filter

Remove the protective cap from the new filter.
Align the arrow on the filter with the arrow on the filter housing.
Push the filter into the housing until it clicks or locks into place.
For filters behind the grille, reinstall the grille by aligning its tabs with the slots and pushing it into place.

Step 6: Flush the System

Lower the ice maker’s metal arm to turn it back on.
Run water through the dispenser for about 5 minutes to flush the system and remove any air from the lines. Discard this water.
Reset the filter change indicator (if applicable) according to your refrigerator’s user manual.

Conclusion:

Changing the water filter in your Sub-Zero refrigerator is a straightforward process that helps ensure clean, fresh water and ice. Make sure to replace your filter every 6 to 12 months, or as recommended by the manufacturer, to maintain optimal water quality and appliance performance.