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UC-15I Air Gap


  • Why does the UC-15IP and UC-15IPO require an air gap?
  • What is the purpose of an air gap?
  • Does the air gap device come with the UC-15IP and UC-15IPO?
  • Undercounter Ice Maker air gap


UC-15IP and UC-15IPO (drain pump) models will likely require an air gap between the unit and the drain receptacle.

  • An air gap provides back-flow contamination prevention.
  • Sub-Zero does not offer or recommend a specific air gap device.
  • Air gap devices can be purchased locally from most hardware, plumbing, or home improvement stores.
  • Generally speaking, the plumber installing the unit's water supply and drain lines will have an air gap device available.
  • Municipality requirements may be more restrictive than Sub-Zero's recommendations; refer to local code for specific information.

Refer to the product installation guide for further installation information.


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