Traditional Single Port Air Gap

Quick Overview

MODEL NO. 4020

  • Prevents dishwasher backflow and dirt buildup.
  • Traditional cover made from solid brass.
  • Single port dishwasher airgap.
  • Hides upper nut and washer edges.
  • 2 decorative accent button included.
  • Available in 29 finishes.
  • Available in 29 finishes and stainless steel.
    Finish shown – Stainless Steel.


Don’t contaminate your clean dishes. Waterstone Traditional Single Port Air Gap prevents dirty drain water from the sink from backing up into the dishwasher. Not only is the air gap unit designed to stop brine water and reduce dirt in your kitchen pipes, but will look good in the process. Classic design matches Annapolis, Hampton and Towson Traditional Suites. Includes air gap body, cover and two accent buttons. Cover is solid brass construction and Available in 29 finishes.

Connection Box compiles with the following Codes & Standards:

  • UPC


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