Foundations®

Two Handle Kitchen Faucet with Spray

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21988LF-SS is rated 4.3 out of 5 by 141.
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  • 4-hole installation
  • Side sprayer conveniently included
  • Backed by Delta Faucet's Lifetime Limited Warranty
Finish: Stainless
List Price*: $181.65
Base Parts
21988LF-SS
List Price*: $181.65
This Delta® faucet provides a practical, hardworking solution that will stand the test of time, every time. Delta is a reflection of your personality and is as individual as you are.
  • Meets standards set by Americans with Disabilities Act
  • Includes convenient side sprayer
  • 4-hole 8 in. installation
  • Standard spout swivels 360degrees for complete sink access

Special Features

Installation Information


4-hole 8" installation


  • Flow Rate: 1.80 gpm @ 60 psi, 6.8 L/min @ 414 kPa
  • Spout Height: 12"
  • Spout Length: 8-1/8"
  • Fittings Type: 1/2" IPS connection
  • Deck Thickness: 1.31"
  • Valve Type: Washerless stem cartridge
Rated 5 out of 5 by from really nice for large pans .. Really nice faucet set..new sink is a deep one and this faucet is excellent when washing large pieces....sets off the new sink..excellent sprayer with this also..
Date published: 2019-09-10
Rated 5 out of 5 by from Easy install Great faucet easy to install wife loves it just works great sharp looking
Date published: 2019-08-31
Rated 5 out of 5 by from Looks great Easy to in stall and works great.
Date published: 2019-08-27
Rated 5 out of 5 by from Solid Mid Range Faucet I've had it for more than 4 years and it's a great leak free faucet with smooth operating handles. The sprayer did develope a small leak and Delta sent me a replacement, no questions asked. Excellent product and even better customer service.
Date published: 2019-07-15
Rated 5 out of 5 by from beautiful! Had to replace previous faucet and I am very pleased with the look and the quiet functioning of this beautiful faucet
Date published: 2019-07-11
Rated 5 out of 5 by from Nice faucet I bought this for my kitchen wife likes it
Date published: 2019-07-09
Rated 5 out of 5 by from Look the look of faucet ! Only had it little over a week and love it !
Date published: 2019-06-12
Rated 5 out of 5 by from Great Faucet I bought this to go with a new countertop. Easy to install. It works and looks great
Date published: 2019-06-08
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Can this be installed on 3 cm thick countertops?

I plan to install this on my new granite counters, will it fit 1.18" think counters?
Asked by: Tofu
Hi, Tofu! Thank you for your question. Here is a technical specification sheet to show you the max deck thickness for the faucet on your counter top: https://media.deltafaucet.com/SpecSheet/DSP-K-21987LF%20Rev%20F.pdf Best Regards, Rosanna
Answered by: Rosanna
Date published: 2017-07-20

Handle screw/bolt part number for 21988LF faucet

My handle broke and I need the part number for the brass bolt with one end threaded and the other end splined with the chrome finish knob/end attached. I was able to get the threaded part out of the handle base so just need the bolt. It looks like part RP26852 which is 3.05 inches long and mine is more like 2.5 inches, end to end. Thanks Tim
Asked by: Tim
Hi Tim, Thank you for your question. The spindle and finial for the RP42995 handles on the model 21988LF faucet is not available as a separate item. The entire handle assembly would have to be replaced. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2015-12-09

can this faucet be installed without the sprayer

Asked by: mitch
Dear Mitch, Thank you for your inquiry! The Delta Foundations Kitchen faucet 21988LF-OB can be installed without the side vegetable sprayer. However, you would need to purchase the RP60295, to cap off the nipple below the faucet. Best regards, Tanya
Answered by: Tanya
Date published: 2017-03-11

Model # 21988LF. The base is leaking. What repair kit do I need? Is there a video I can watch to help me repair.

Asked by: AD123
Hi, AD123. Thank you for your question, and I am sorry to hear that you are experiencing an issue with your Delta 21988LF faucet. The part number for the o-ring repair kit is RP41700. We do not have a video to show the repair for this but here is a link to the manual for the faucet: https://media.deltafaucet.com/MandI/86377%20Rev%20B.pdf Please contact us back if you should need further assistance with this. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-10-09

My side sprayer split in the seam Oild Bronze not available?

Asked by: Sbt521
Hi, Sbt521! Thank you for your question. The 21988LF-OB sprayer assembly is available. The part number is RP54807OB. Here is a link to the part: https://www.deltafaucet.com/parts-product-detail?modelNumber=RP54807OB You can usually find Delta faucet parts at any dealer that sells Delta faucets. Some good places to check can be found on our website under Where To Buy. http://www.deltafaucet.com/where-to-buy/index.html To order parts directly from Delta, you may call the toll-free Delta Help Line at 1-800-345-3358. We accept Visa or MasterCard for parts orders over the telephone. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2019-09-14

Is the strainer removable on model #21988lf?

Asked by: marty
Thank you for your inquiry, Marty! The aerator on the end of the spout of the Delta Foundations Kitchen 21988LF-OB faucet can be unscrewed to be removed. https://media.deltafaucet.com/PartsDiagram/DPD-K-21987LF_A.pdf Best regards, Tanya
Answered by: Delta Faucet
Date published: 2019-02-12

Can the faucet and handles be installed directly on the sink without the base?

Asked by: Pickle
Dear Pickle, Thank you for you installation inquiry. The escutcheon/base plate of the Delta Foundations Kitchen 21988LF faucet is apart of the full faucet valve, it is not removable. Best regards, Tanya
Answered by: Tanya
Date published: 2016-10-15

I did not out the sprayer holder on.How do I remove the snap on connection to the water supply to put the sprayer hose through the holder?

Asked by: Ed
Reach up at the very top of the connection and squeeze the two tabs together and gently pull down on the hose. They only move about .05" inward, but it will release.
Answered by: FredY
Date published: 2017-10-28

How come I can't buy a replacement spout for this faucet?

I tried to mount a PUR water filter on it using the correct adapter, but no matter how much plumber's tape I put on or how tight I tried to make it, the connection always leaked. I decided to remove it and just use the sink normally, but I damaged the end of the spout removing the adapter. I like the faucet and don't want to have to buy an entirely new one just for the spout as the spout is really well designed for a quick disconnect. It appears that no one sells the spout separately and I'm not sure why. Can I get a replacement spout from you? Thanks. J
Asked by: JFW
Hi JFW, Thank you for your question. Unfortunately the spout to the model 21988LF is not available as a replacement part. The entire faucet would have to be ordered. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2015-01-12

Information left out

Why don't you print on your box that this is made out of plastic and not chrome? I was very upset when I found this out - after it had been installed.
Asked by: treetracker
Hi Treetracker, Thank you for your question. The model 21988LF is a metal faucet. The spout, handles, escutcheon base and valve body are metal. The side sprayer and mount are plastic components. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2015-04-23

Thick deck extension?

Is there a thick deck extension for this faucet? I can find a lot of other Delta faucet deck extension but none for this model. Will a extension kit for another model work? I only need to extend the hot and cold connections a small amount.
Asked by: Tim
Thank you for your inquiry, Tim! Delta does not manufacture a thick deck mounting kit for the Foundations Kitchen 21988LF faucet. This faucet requires a maximum deck thickness of 1 5/16" (33mm). Below, is the link for the technical specification sheet to show you the max deck thickness for the faucet. https://media.deltafaucet.com/SpecSheet/DSP-K-21987LF%20Rev%20F.pdf Best regards, Tanya
Answered by: Tanya
Date published: 2017-12-18

How do I disconnect the sprayer so I can reroute the hose?

Asked by: ke6pij
Hi, ke6pij! Thank you for your question. The Delta 21988LF Faucet sprayer hose can be removed by pushing in the two tabs at the connection, much like a clothespin. Once pushed in, push up at the connection. This will release the hose from the valve end. The hose can now be pulled down and removed. Best Regards, Rosanna
Answered by: Delta Faucet
Date published: 2019-08-21

Can we replace the 8" spout with a 12" or taller. Please provide part number(s). Thanks John

Asked by: John646
Hi, John646! Thank you for your question. We do not have a replaceable 12" spout for this faucet. I do apologize for any inconvenience this may cause. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-03-27

Can I hook up a portable dishwasher to this faucet?

Asked by: Suzi
Thank you for your question, Suzi! You may connect a portable dishwasher to the spout using the right adapter. We do not make an adapter for this faucet, but the thread size of the spout is 55/64"-27 male. Best regards, Jon
Answered by: DeltaFaucet3
Date published: 2018-10-17

Hello! I had Model 21988LF installed today. It looks great! But when I turn the handles on, there is a brief 'clunk' sound. Maybe even a little bit of a shake (like a quick jerk, as the water begins to flow). Any ideas what is going on? Thanks!

Asked by: Julie
Hello Julie, Thank you for your question. We would recommend removing and cleaning the aerator and diverter assembly of the Delta Foundations Kitchen 21988LF faucet. We would be more than happy to help you with this. Please feel free to call, email, or message us on social. Best regards, Tanya Phone: 1-800-345-3358 | Email: customerservice@deltafaucet.com | Facebook/Twitter: @deltafaucet
Answered by: Delta Faucet
Date published: 2019-10-03

Model: 21988LF - What Mounted Water Filters will fit?

I just replace my older Delta Kitchen Faucet with the 21988LF and the adjustable Mounted Water Filter does not fit this new Model. What companies make a Filter the will fit, and what Size should I look for when I go do purchase one? Thanks very much Riah
Asked by: Riah
Thank you for your question. Delta Faucet model # 21988LF has an aerator with a thread size of 55/64"-27. We do not have any filters to recommend but you will need the thread size above to make sure that it fits properly.
Answered by: Delta
Date published: 2013-10-22

I want to plug the quick release vegetable sprayer. What part do I need?

Asked by: Brian
Thank you for your question. Delta Faucet model # 21988LF contains a built in diverter and it cannot be capped off.
Answered by: Delta
Date published: 2013-10-22

Are there any Porcelain Cross Handles available for this?

Asked by: David
Hi David, Thank you for your question. Our H27 handles are a porcelain cross handle that will work with the model 21988LF faucet. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2014-05-28

Howdy, Are the spout, handles, & base of this faucet made of brass, or is the finish applied to a different base metal? I've read that the sprayer is plastic, but is the rest of the faucet all metal? Much obliged, Matt

Asked by: tomhorn1913
(Foundations 21988LF) -The spout and handles are NOT internally metal, but instead plastic. This was confirmed to me by a Delta phone representative.
Answered by: Lisa
Date published: 2018-08-13

Leaks from goose neck when water is on

Help only want to do this once
Asked by: Dan
Hi Dan, I'm sorry to hear that your goose neck spout is leaking. There is an o-ring repair kit, RP41700, that will stop the leak at the base. To order parts, please call us on our Customer Service line at 1(800)345-3358. Best Regards, Rosanna
Answered by: Rosanna
Date published: 2017-01-02

Is a replacement base & handles available for the Foundations 21988LF-OB faucet

Asked by: Kenn
Hello Kenn, Thank you for your inquiry! The handles (RP42995OB) of the Delta Foundations Kitchen 21988LF-OB faucet are replaceable parts. Unfortunately, the escutcheon/base plate is not sold separately from the valve body. Please see the below Parts Diagram, for this model. https://media.deltafaucet.com/PartsDiagram/DPD-K-21987LF.pdf Best regards, Tanya
Answered by: Delta Faucet
Date published: 2018-07-05

what does the washerless stem cartridge look like?

Asked by: glynn
Dear Glynn, Thank you for your inquiry! The RP54801 is the Stem Assembly kit that comes in your Delta Foundations Kitchen 21988LF faucet. https://www.deltafaucet.com/parts-product-detail?modelNumber=RP54801 Best regards, Tanya
Answered by: Tanya
Date published: 2016-10-19
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