Waterstone Faucet Parts Air Gaps

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Product Details

Waterstone 4020-PG

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 all Annapolis, Hampton and Towson traditional faucet Suites. Cover is made from solid brass and available in 32 finishes. American made and comes with a lifetime functional warranty.


  • Finish Polished Gold
  • Online Product ID 624450
  • Width 2"
  • Height 2.88"
  • Finish PG
  • Style Traditional
  • Made in USA yes
  • Low Lead Compliant yes
  • Material Brass
  • Holes 1
  • ASME A112.18.1
  • Prop65 Warning This product can expose you to chemicals including Nickel, which is known to the State of California to cause cancer, and Lead which is known to the State of CA to cause birth defects or other reproductive harm. For more info: www.P65Warnings.ca.gov.
  • Chemicals Contained Lead, Nickel
  • Connection Size 3/8''
  • Csa Code B125.1
  • Deck Hole Size 1-3/8''
  • Finish Group Precious Metals
  • Max Deck Thickness 2-3/8''
  • Nsf Code NSF 61/372
  • Shipping L:13"x W:12"x H:4" 2 lbs.

Additional information

  • Prevents dishwasher back flow and dirt buildup.
  • Matches all traditional Waterstone faucets.
  • Cover hides upper nut and washer edges.
  • Lifetime Functional Warranty
  • Made in the USA
  • Made with eco-friendly solid brass.

About This Brand

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