#1 Home Improvement Retailer

1-3/4 in. Air Gap Kit with Skirted Brass Cap in Matte Black

  • Designed to prevent the overflow of dirty water into water lines
  • 1-3/4 in. Dia cap is compatible with air gap bodies of all brands
  • Installs from flush to sink for full coverage of the air gap body
  • View More Details
How to Get It

Frequently Bought Together


Product Overview

The Westbrass air gap protects potable water from contamination by preventing dirty dishwasher water from overflowing into your main water lines, as required by code in many States. Featured with a cap available in a variety of finishes, the Westbrass brand is a stylish alternative to complement your other decorative fixtures.
  • Air gap cap with flange and plastic body included
  • 1-3/4 in. cap diameter
  • 2-3/4 in. cap height
  • 9-1/8 in. overall height with plastic body
  • Cap covers entire air gap body and installs flush to sink
  • Superior quality finishing and solid construction
  • California residents

Additional Resources

From the Manufacturer



Maximum Deck Thickness (in.)1.5Maximum Mounting Hole Diameter (in.)1.65
Minimum Mounting Hole Diameter (in.)1.25Product Depth (in.)10
Product Height (in.)3Product Width (in.)3


ApplicationKitchen SinkColor/FinishMatte Black
Color/Finish FamilyBlackFits Faucet BrandAll Brands
Flow Rate7Flow RestrictorNo
MaterialBrassPack Size1
Plumbing Part TypeAir GapReturnable90-Day
Thread Pitch (Threads Per Inch)15Thread Size (In.)15
Thread TypeMale

Warranty / Certifications

Manufacturer Warranty1 Year Limited Warranty

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.4
    out of 3 reviews
  • 100%recommend this product
Filter by:
Showing 1-3 of 3 reviews
Product was as advertised and installed easily.
Product was as advertised and installed easily.
  • Verified Purchase
  • Recommended
Rating provided by a verified purchaser...
Rating provided by a verified purchaser
  • Verified Purchase
  • Verified Purchase
Showing 1-3 of 3 reviews