Product Overview
Keep your Sub-Zero refrigerator water and ice tasting fresh with the Sub-Zero 4204490 refrigerator water filter. Designed for compatible Sub-Zero refrigerator systems, this filter uses activated carbon block filtration to help reduce chlorine taste and odor, particulates, turbidity and other specified contaminants from your refrigerator's water supply.
The 4204490 has a rated capacity of approximately 750 gallons and is recommended for every 6 months, depending on water quality and household usage.
With a convenient quarter-turn installation, replacing the filter is quick and requires no special tools. Simply remove the old cartridge, install the new filter and reset the refrigerator's filter-life monitor if applicable.
Compatible Filter Numbers
The Sub-Zero 4204490 is associated with the following compatible or part numbers:
- 4204490
- 4204496
- 4290510
- 7012975
- WF490
- F-1000
- F-2000
- PRO 48
- PRO48
- SGF-ZS48
- ECOAQUA EWF-8003A
- ECOAQUA SGF-ZS48
These cross-reference numbers are compiled from the researched competitor listings. Always verify your refrigerator model and existing filter number before ordering.
Key Features
- Designed for compatible Sub-Zero refrigerators
-
Part number 4204490
- Activated carbon block filtration
- 750-gallon filter capacity
-
Recommended every 6 months
-
Flow rate of approximately 0.78 GPM
- Quarter-turn twist-and-lock installation
- Helps reduce chlorine taste and odor
- Helps reduce particulates and turbidity
- Helps reduce selected chemical contaminants
- NSF/ANSI 42 and 53 certification listed by the researched sources
- Single-filter cartridge
- Made in the United States according to the researched product specifications
What's Included
1 × Sub-Zero 4204490 refrigerator water filter
This listing is for one filter cartridge.
Product Specifications
| Specification |
Details |
| Brand |
Sub-Zero |
| Part Number |
4204490 |
| Product Type |
Refrigerator Water Filter |
| Filter Media |
Activated Carbon Block |
| Package Quantity |
1 |
| Filter Capacity |
750 gallons |
| Recommended Filter Life |
6 months |
| Flow Rate |
0.78 GPM |
| Operating Pressure |
35–120 PSI |
| Operating Temperature |
33–100°F |
| Length |
11.5 inches |
| Outside Diameter |
2.13 inches |
| Installation |
Quarter-turn twist and lock |
| Country of Origin |
United States |
| UPC |
016145600982 |
| Certifications Listed |
NSF/ANSI 42 & 53 |
Specifications are compiled from both researched product listings.
Filtration Performance
The 4204490 uses activated carbon block media to help improve the taste and odor of refrigerator water while reducing specified contaminants.
The researched listings identify reductions including:
- Chlorine taste and odor
- Lead
- Asbestos
- Benzene
- Carbofuran
- Cysts
- Endrin
- Mercury
- P-Dichlorobenzene
- Chlorobenzene / monochlorobenzene
- Lindane
- Toxaphene
- Atrazine
- Turbidity
- Class I particulates
The sources list the filter under NSF/ANSI 42 and NSF/ANSI 53. For your own product page, certification and contaminant claims should match the exact product and documentation for the inventory you are selling.
Compatible Sub-Zero Models
The researched sources identify compatibility with Sub-Zero refrigerator models including:
- BI48SIDSPH
- DEC3650RIDR
- BI-48SD
- BI36S
- BI48SD
- PRO 48
The 4204490 is also associated with Sub-Zero's Pro 48 refrigerator line and other compatible systems using the corresponding filter assembly.
Always verify the complete refrigerator model number and existing filter number before ordering.
When Should You Replace the 4204490 Filter?
The Sub-Zero 4204490 is rated for approximately 750 gallons or 6 months, whichever comes first.
Actual service life can vary depending on incoming water quality and household consumption. Replace the filter sooner if you notice reduced water flow or changes in the taste or odor of your refrigerator water or ice.
Installation
The 4204490 uses a simple quarter-turn design.
- Lift the refrigerator grille assembly.
-
Turn the existing filter approximately one-quarter turn counterclockwise.
- Pull the old filter straight out.
- Remove the protective cap from the new filter, if applicable.
- Align the new filter with the filter head and locking tabs.
- Push the filter into the refrigerator until it stops.
-
Turn the filter approximately one-quarter turn clockwise to lock it in place.
- Reset the refrigerator's filter-life indicator if your model has one.
- Run water through the system according to your refrigerator manufacturer's instructions before normal use.
The exact filter-reset procedure can vary by Sub-Zero refrigerator model.
FAQ
What is the Sub-Zero 4204490?
The 4204490 is a refrigerator water filter designed for compatible Sub-Zero refrigerator and Pro 48 systems.
How long does the 4204490 filter last?
The filter is rated for approximately 750 gallons or 6 months, depending on usage and water quality.
What type of filter media does 4204490 use?
The 4204490 uses activated carbon block filtration media.
What is the flow rate?
The researched specifications list a flow rate of approximately 0.78 gallons per minute (GPM).
What are the dimensions of the 4204490?
The filter is approximately 11.5 inches long × 2.13 inches in outside diameter.
Is the Sub-Zero 4204490 easy to install?
Yes. The filter uses a quarter-turn twist-and-lock connection, allowing the old cartridge to be removed and the installed without specialized tools.
What filters can replace Sub-Zero 4204490?
The researched listings associate 4204490 with cross-reference numbers including WF490, 4204496, 4290510, 7012975, SGF-ZS48, ECOAQUA EWF-8003A, F-1000 and F-2000. Compatibility should be verified before purchase.
Is 4204490 a refrigerator air filter?
No. The 4204490 is a refrigerator water filter used to filter water supplied to compatible Sub-Zero refrigerators and ice makers.
Important Compatibility Note
Please verify the part number printed on your existing filter and the complete model number of your Sub-Zero refrigerator before ordering.
Cross-reference numbers can apply to specific refrigerator configurations, so a matching part number is the safest way to confirm compatibility.