Air Gap 4020

Manufacturer: Waterstone

Category: Air Gap

Name: Annapolis

Item Number: 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 32 finishes.
  • Includes two decorative caps – Compass Logo and matching Finish.



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 31 finishes.

All Waterstone kitchen faucets are designed, engineered and MADE IN THE USA.



Additional information


Antique Brass, Antique Bronze, Chrome, Black Oil Rubbed Bronze, Satin Chrome, Tuscan Brass, Weathered Brass, Almond, American Bronze, Antique Copper, Antique Pewter, Biscuit, Black Nickel, Caribbean Bronze, Chocolate Bronze, Distressed American Bronze, Distressed Antique Brass, Distressed Antique Copper, Distressed Antique Pewter, Euro White, Gloss Black, Matte Black, Polished Brass, Polished Copper, Polished Nickel, Satin Nickel, Unlacquered Polished Brass, Venetian Bronze, Weathered Copper, White