Topics:

• How to reset the air purification icon
• How often should the air purification cartridge be replaced?
• Is it harmful to the Classic (formerly Built-In) unit if the air filter is not replaced?
• How to replace the air purification cartridge
• Where to purchase a new air purification cartridge
• How to dispose of an air filter part number 7007067, 7042798

Answer:

Air Purification Indicator Light Information

Air purification filters are ready to be replaced whenever the indicator light begins to flash, or after approximately one year.

• A steady indicator light is normal.
• There is no harm to the Sub-Zero unit if the air filter is not replaced or not used.
• Refer to Sub-Zero Pure Air Icon Flashing for more information.

Air Filter Replacement and Reset Instructions

Note: Not all Sub-Zero products include a air filtration system.

• There is no air filter in 200/300, 500, 600, or 700 Series models, nor in Undercounter, Wine Storage, or Freezer units. 

For air filter replacement instructions, including images and reset instructions, refer to:

• Classic Series (CL) Air Filter Replacement
• Classic Series (CL) Reset Air Filter
• Classic Series (BI) Air Filter Replacement and Reset
• Designer Series (DET, DEC) Reset Air Filter
• Designer Series (IT, IC) Air Filter Replacement and Reset
• PRO3650 and PRO4850 Air Filter Replacement and Reset

If model is unknown, refer to Sub-Zero Serial Tag Locations for information about finding unit model number.

Reset Air Filter Life on Sub-Zero Group Owner's App

For most Sub-Zero units, the filter life reading on the Sub-Zero Group Owner's App should automatically reset within a few hours of changing the filter. See also:

• Sub-Zero Group Owner's App Water or Air Filter Life Incorrect
• Sub-Zero Group Owner's App Refrigeration Alerts and Notifications

Order a Replacement Air Filter

Refer to How to Purchase Sub-Zero Air Filters for instructions and part numbers.

• All units with air purification systems use the same cartridge. Part number 7042798 is a direct replacement for previous part number 7007067.
• The Classic series (BI), Designer (IC, IT, ID-30RP, and ID-36RP) series, and PRO3650 and PRO4850 units are the only models with air purification systems.
  
• Models ID-30RP and ID-36RP are the only drawer units with an air purification system. Designer Drawer models ID-30R and ID-36R do not have air purification systems.
• An air purification system cannot be added to a product.

Refer to the product Use and Care Guide for further information.