Delta

Kitchen Air Gap

Model#: 72020-BZ

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72020-BZ is rated 4.0 out of 5 by 21.
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  • Kitchen air gap prevents backflow
  • Deck-mount, single-hole installation
  • Backed by Delta Faucet’s Lifetime Limited Warranty
Finish: Brilliance Brushed Bronze
List Price*: $36.45
Base Parts
72020-BZ
List Price*: $36.45
  • 1-5/8" diameter brass cap
  • 2-1/8" long brass cap
  • 5/8" dishwasher inlet
  • 7/8" outlet

Special Features

Product Support, Repair Parts & Technical Specifications


View Technical Specifications

Installation Information


Rated 4 out of 5 by from Coordinated with New Faucet I had chrome and replaced with this to match new faucet. Not a perfect match but very close. I had to replace the previous base with the one Delta provided. A very simple task, taking less than 10mins.
Date published: 2018-08-06
Rated 1 out of 5 by from water all over counter I bought the air gap and cover to replace one that the builder had literally left under the sink. I have run the dishwasher 2x's and each time, water bubbles out of the air gap onto my counters.... The plumbers were out today to make sure that no lines were clogged: they weren't. They disconnected and reconnected the lines: tested it again....water all over the counters. There is a flaw in the design of the plastic air gap...have to go to a plumbing store to get a new plastic air gap... (The cover is fine..so far.)
Date published: 2018-07-03
Rated 1 out of 5 by from Amazon sends unbranded boxes The only place I could find to buy the "SS" color to match the faucet finish we want was amazon. Ordered 2 (we're getting 2 dishwashers!), and received two boxes from them, neither identifies as being a "Delta" product as the description indicated. Not sure where else to find them as none of the authorized dealers carry this finish. Can't order them from here because Delta doesn't personally sell their own products. Disappointed my faucet I was so excited to get back (I had a Touch2O at my last house that I sold) might have to go back for a brand that offers matching code required accessories :(
Date published: 2017-09-28
Rated 5 out of 5 by from Quality Air Gap This is a quality air gap from Delta. It's much better than the cheap ones you'd buy at the home improvement stores. The Delta air gap has thicker metal and better looking chrome than the others. The trick to installing this is to set the plastic mounting assembly at the correct height- if it's set too high then the chrome cap won't cover it entirely. When you've got it set just right the chrome cap comes all the way down to sit right on the sink surface.
Date published: 2017-03-10
Rated 5 out of 5 by from Matches the faucet perfectly We replaced the satin finish faucet in the kitchen and this was the only website I could find a Venetian Bronze Air Gap. Delivered quickly and fits perfectly.
Date published: 2016-12-12
Rated 5 out of 5 by from DElta Air gap Works great and gets the job done.
Date published: 2016-12-09
Rated 5 out of 5 by from Great product Easy installation and it looks good. I would buy it again.
Date published: 2016-12-04
Rated 5 out of 5 by from Delta- Great quality as always! We have been very pleased with the ordering process. Our purchase arrived timely and was well packaged. The Air Gap has worked very well and is easy to maintain! We have had multiple compliments on this item along with other chrome Delta sink items-- and needless to say we have recommended and where to purchase!! A very pleased customer!! Thank You!!
Date published: 2016-08-13
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Which Delta Kitchen Air Gap color (model number) most closely matches the Dominic® Single Handle Pull-Down Kitchen Faucet with Touch2O® Technology and Soap Dispenser Model#: 19940T-SPSD-DST (Spotshield Stainless)?

Asked by: jxenterprise
Hi, jxenterprise! Thank you for your question. The Delta 72020-SS air gap in the Brilliance Stainless Steel finish will best match the Delta 19940T-SPSD-DST faucet. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-10-04

Which color will most match the 16971Velino faucet?

Asked by: Barb
Hello Barb, Thank you for your question on the Classic Kitchen Air Gap. I will be more than happy to assist you. It looks like this faucet only comes in stainless so the stainless finish would best match the faucet. The model number for the stainless air gap is 72020-SS. If you need anything further please contact us by calling 800-345-3358. Thanks, Sarah Consumer Care Delta Faucet Company
Answered by: Sarah
Date published: 2017-10-07

How do I clean my Delta air gap? Water seeps out of the hole onto the counter. I can't figure out what to remove to run a bottle brush down the tube to clear it. Thanks.

Asked by: Denise
Hello Denise, Thank you for your inquiry! The Delta Air Gap 72020 cover/top pulls straight off and there is a nut and then there is a nut and gasket below. https://deltafaucet--c.na93.content.force.com/servlet/fileField?id=0BE0G000000Cfvh Best regards, Tanya
Answered by: Delta Faucet
Date published: 2018-12-12

Does the 72020-rb work with the 19949-dst.  We would need Venetian bronze.

Asked by: Paul
Hi, Thank you for your question. The Delta 72020-RB can be used in addition to the Delta 19949-RB-DST kitchen faucet. Best regards, Brandis
Answered by: DeltaFaucet7
Date published: 2019-05-03

does this fit all air gap vents? or is it both parts?

Asked by: joseph
Hi, Joseph! Thank you for your question. The Delta 72020-RB air cap includes everything needed for installation. Here is a link to to the technical specifications sheet to show this information: https://media.deltafaucet.com/SpecSheet/dsp-a-72020_C.pdf Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-10-12

What does an air gap do and when is it needed?

Asked by: xhotcapp
Hi xhotcapp, Thank you for your question. The model 72020 Air Gap is installed to prevent backflow or back siphonage of non potable water into potable water systems. It is most often installed for use with dishwashers. The air gap prevents the dirty water leaving the dishwasher from getting back into the dishwasher. You may need to check your local building codes to see if one is required in your area. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2018-02-13

Which air gap best matches the Zalia faucet in SpotShield Stainless Finish?  Item number 19781Z-SPSD-DST

Asked by: Ellen
Thank you for your question, Ellen! We only manufacture one style of air gap, which is model 72020-SS. This is available in the Stainless Steel finish which will match your model. https://www.deltafaucet.com/parts-product-detail?modelNumber=72020-SS Best regards, Edward
Answered by: Delta Faucet
Date published: 2018-11-20

What exactly is the kitchen air gap, what is it used for and how and where is it installed. Is it something that helps with the water pressure?

Asked by: Doowop47
Hello Doowop47, Thank you for your question regarding the Delta Kitchen Air Gap and I am happy to help you today. An air gap is installed to prevent backflow or backsiphonage of non potable water into potable water systems. It is most often installed for use with dishwashers. The air gap prevents the dirty water leaving the dishwasher from getting back into the dishwasher and are typically installed on the counter nearest to the dishwasher. To install the air gap, you will need to connect the larger leg below the counter to a garbage disposal or sink trap and the smaller leg to the hose from the dishwasher. Only the cover and a few inches of the body will be visible from above the counter as the collar gasket and nut will hold the air gap in place. Please do not hesitate to give us a call on our warranty line at 800-345-3358 if we can assist you with anything going forward. Thank you, Brandy
Answered by: Brandy
Date published: 2018-06-25

Why is the bottom ring around the air gap WHITE?

I have customers complain that the rim around where the cap fits down over the air gap is WHITE and stands out! It looks tacky.
Asked by: Kari
Thank you for your concern. Delta Faucet model # 72020-RB has a ring around the bottom to keep the finish from coming in contact with water. Our R & D department has been looking at a better design for the Venetian Bronze finish but at this point, it is the only way this product is available.
Answered by: Delta1
Date published: 2015-02-01

What size hole is required for this air gap installation?

Asked by: bfollowell
Hello bfollowell, Thank you for your question on the Classic Kitchen Air Gap. I will be more than happy to assist you. The hole measurements are as followed: 1 1/4" (32 mm) minimum to 1 5/8" (41 mm) maximum mounting hole required. I have also attached the link to the specification sheet below for you to view. If you need anything further please contact us by calling 800-345-3358. https://media.deltafaucet.com/SpecSheet/DSP-A-72020%20Rev%20C.pdf Thanks, Sarah Consumer Care Delta Faucet Company
Answered by: Sarah
Date published: 2017-09-16

What is the actual length of the air gap in this fitting. I am hooking up an ice maker and it specifies a minimum of 2 inches for the gap.

Asked by: Richard
Hello Richard, Thank you for your question. The Delta Kitchen Air Gap 72020-SS has 2 7/16" (62 mm) height. Please see the technical specification for this unit below. https://media.deltafaucet.com/SpecSheet/dsp-a-72020_C.pdf Best regards, Tanya
Answered by: Delta Faucet
Date published: 2019-03-07

What does this do?

Asked by: Gordon
Thank you for your question, Gordon! An air gap is used to prevent backflow or back siphonage of non potable water into potable water systems. It is typically installed for use with dishwashers but is sometimes used with reverse osmosis filtration systems if required by state or local codes. Best regards, Edward
Answered by: Delta Faucet
Date published: 2018-12-17

In one picture, it shows a flange bottom. In another it shows no flange and a white washer at the bottom. Which one is accurate for bronze finish?

Asked by: Amy
Hi Amy, Thank you for your question. The current verson of 72020-RB will have the finished venetian bronze flange at the bottom of the air gap cap. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2015-04-27

What color airgap would most closely match the Leland kitchen faucet, part number 9178-SP-DST?

Asked by: Peggy
Hi, Peggy! Thank you for your question. The Stainless Steel 72020-SS will match your 9178-SP-DST faucet. Best Regards, Rosanna
Answered by: Rosanna
Date published: 2017-09-05

Is the 2 1/8” measurement not include the collar at the bottom of the cover?

I want to purchase a new Delta pull down faucet in Venetian Bronze and I want to replace my current chrome air gap cover with this one to match. My current cover measures a little more than 2 1.8”. I was wondering if this one will fit.
Asked by: P.K.
Hi P.K. Thank you for your question! The cover has a total height of 2 7/16". Technical Specifications: http://www.deltafaucet.com/customersupport/documentation/72020-rb.html?document=ts&fromDetailArea=kitchen&documentIndex=0#flashWrapper Best regards, Jon
Answered by: DeltaFaucet3
Date published: 2016-06-15
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