Sub-Zero 7012333, 7042803, UC-15 Water Filter

The Sub-Zero 7012333 UC-15 Water Filter is a replacement cartridge made for compatible Sub-Zero UC-15 undercounter ice makers. It filters the water entering the ice-making system, helping reduce chlorine taste and odor, sediment, and other unwanted particles before they affect your ice. The 7012333 has also been updated to part number 7042803, making both numbers useful when searching for the correct replacement.

Specifications

Made for the UC-15 Water System

The 7012333 is designed around the dedicated water filtration system used by Sub-Zero UC-15 undercounter ice makers. It is not the same type of cartridge used in full-size Sub-Zero refrigerators, so matching the appliance type is an important step before ordering.

Cleaner Water Before Ice Production

Water quality affects the taste and appearance of the ice your UC-15 produces. The activated carbon block helps reduce chlorine taste and odor, sediment, and other unwanted particles before filtered water enters the ice-making system.

Helps Control Scale

Mineral buildup can affect water passages and internal components over time. Regular filter replacement helps reduce scale-forming material entering the system, supporting consistent water flow and everyday ice-maker operation.

7012333 and 7042803 Are the Same Filter

Sub-Zero updated the original 7012333 part number to 7042803. The updated number refers to the same UC-15 filter, so you may see either number when searching for a replacement. Both part numbers fit the compatible UC-15 ice maker systems.

300-Gallon Filter Capacity

The 7012333 is rated for 300 gallons or six months, whichever comes first. Actual filter life depends on water quality and how much ice your machine produces, so heavier use may require replacement sooner.

Simple Twist-In Replacement

The filter uses a twist-in connection designed for tool-free replacement. Once the correct cartridge is matched to your UC-15 system, replacing the old filter is a straightforward part of regular ice-maker maintenance.

Built for Compatible UC-15 Ice Makers

The Sub Zero 7012333 water filter is compatible with UC-15, UC-15I, UC-15IO, UC-15IP, UC-151, and UC-151P ice makers. It is also listed for several compatible Manitowoc models using corresponding filter numbers.

Before ordering, check the part number on your existing filter. If it shows 7012333 or 7042803, you are looking at the correct filter family. If you have a full-size Sub-Zero refrigerator rather than a UC-15 undercounter ice maker, this is not the appropriate cartridge.