Foundations®

Two Handle Kitchen Faucet with Spray

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21988LF-SS is rated 4.1 out of 5 by 119.
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  • 4-hole installation
  • Side sprayer conveniently included
  • Backed by Delta Faucet's Lifetime Limited Warranty
  • Water-Efficient
  • No-Lead Compliant
Finish: Stainless
List Price*: $173.00
Base Parts
21988LF-SS
List Price*: $173.00
  • 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 1 out of 5 by from Already has a slow drip, drip Seriously. Only had 3 weeks and it's already leaking. Don't tell me still under warranty. Will you pay for the plumber, too? Didn't think so.
Date published: 2018-12-11
Rated 5 out of 5 by from Excellent product Bought this to replace a 20 year old perless and so glad I did. The quality is very good and has great aesthetic looks
Date published: 2018-12-08
Rated 5 out of 5 by from Looks good, installs easy and great warranty. I purchased the Model 21988LF over a month ago and replaced a NON Delta faucet that was on a deep sink in the utility room. It was a washer type and over thirty-three years old. I replaced many washers during those thirty-three years and one valve seat. The cold water supply to the old faucet broke one day and WHEN DID IT? You guessed it, when I wasn't home. Water was everywhere when I returned. I recently read the one and two star reviews about the flimsiness of the 21988LF faucet handles. People stated that they flex when turned off. Folks these are washer-less faucets and are made to be turned off and on with one or two fingers. Yes during the "good ole days" the washer type faucets offered more resistance to movement and at times you really had to crank down on them to stop a drip. When that happened it was time to replace the washer but most people didn't and continued to apply more twisting force to obtain a complete drip stop. As I stated earlier, washer-less faucets are manufactured to be turned on and off with very little resistance so all the extra seals, brass and steel aren't necessary to make a good product. All of the remaining faucets in my house are washer-less. All but three are Delta and that is another story as to why they are another brand. I have replaced washer-less components in the three that aren't Delta five times since they were installed. In over thirty-three years not one of the Delta faucets has ever leaked. If one of the Delta faucets starts leaking I know I will be able to purchase a replacement part instead of a new faucet. Over forty-five years ago a plumber told me to by only Delta and if something malfunctioned I would either be able to find a part to fix the problem or Delta would replace it. So far not one Delta faucet is dripping or spewing.
Date published: 2018-10-19
Rated 5 out of 5 by from Best faucet I’ve ever bought I bought this faucet less than a month ago and I just love it. The handles are easy to turn, I love how it looks on my sink and overall it is the best faucet I’ve ever bought
Date published: 2018-09-24
Rated 4 out of 5 by from Good looks I get compliments on this faucet. It wasn't very expensive but looks like it is
Date published: 2018-09-11
Rated 5 out of 5 by from RV Faucet Replacement Bought this to replace the cheap plastic one in my RV kitchen...… love it.
Date published: 2018-09-10
Rated 5 out of 5 by from Easy to install! I like it because it does NOT have Ceramic cartridges and the cost of replacing bad cartridges is Much more reasonable!
Date published: 2018-08-31
Rated 5 out of 5 by from Beautiful I bought this a couple of years ago, and the sprayer started leaking almost immediately. Delta replaced it, without question, even more than a year later. The service was great and the replacement arrived within days. The new sprayer, so far, works great, with no leaks. This set looks great. I just wanted something different than chrome.
Date published: 2018-08-28
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How do I get a new aerator and the tool to remove it

Asked by: Clifford
Hi Clifford, Thank you for your question. The aerator is part number RP74130. It can be removed by hand and does not require a tool. https://www.deltafaucet.com/parts-product-detail?modelNumber=RP74130 Best regards, Jon
Answered by: DeltaFaucet3
Date published: 2017-06-15

Hi, I don't want to use the spray, what type of terminal I need to use?

Asked by: Jason127
Hi, Jason127! Thank you for your question. The Delta RP60295 is a cap that can be used to cap off the end of the valve for the Delta 21988LF-SS faucet. Best Regards, Rosanna
Answered by: Delta Faucet
Date published: 2018-11-30

What is the repair kit number to fix a dripping faucet? Is it kit rp54801 or rp41700?

Asked by: Kdo2
Hi, Kdo2! Thank you for your question. The Delta 21988LF-SS uses RP54801 repair kit. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-09-28

What kind of adapter would I need to attach a portable dishwasher hose? it's to small for the tip and when I unscrew it it's too big. can't seem to find the right size. Any help is appreciated

Asked by: theopholismmviii
Hello, Theopholismmviii! Thank you for your question. The Delta Foundations Kitchen 21988LF-SS faucet has an aerator with a thread size of 55/64"-27. You will need to talk to your local retailer or wholesaler about getting an adapter that fits your portable dishwasher to also fit the faucet thread size. We do not manufacture any adapters for attaching dishwashers or filters. Best regards, Tanya
Answered by: Tanya
Date published: 2018-02-24

Why does it take a few seconds for the water to stop? The faucet is new.

Asked by: GiGi
Hi, GiGi! Thank you for your question. With our high arc faucets, the water does take a few seconds to drain out the excess water after shutting the water off. If the faucet leaks continuously after shutting off your water, please contact our customer service line so that we may help you further. Best Regards, Rosanna
Answered by: Rosanna
Date published: 2017-11-20

How difficult is it to install a Delta kitchen faucet #21988LF-SS?

Asked by: Gerhard
Hi, Gerhard! Thank you for your question. We do strive to make our faucets, including the Delta 21988LF-SS faucet, easy to install for home owners. We do recommend to take a look at the instruction manual to get an idea of how to install the faucet first. If you're not at all comfortable with the instructions, we do recommend to contact a professional in your area for assistance. Also, our customer service representatives are happy to help over the phone as needed. Our Delta Customer Service line is (800)345-3358. We are available Monday-Friday, 7am-7pm, CST and Saturday, 8am-5pm, CST. Best Regards, Rosanna
Answered by: Delta Faucet
Date published: 2018-11-20

can i hook up a portable dish washer?

a separate aerator attachment is required for our portable dishwasher. The dishwasher hose connector pulls down and then snaps onto the aerator attachment that is connected to the faucet. Does Delta have a solution for a Delta faucet number 21996LF-SS?
Asked by: Mike
Thank you for your question. Delta Faucet model # 21988LF-SS has an aerator with a thread size of 55/64"-27. You will need to talk to your local retailer or wholesaler about getting an adpater to fit your portable dishwasher to fit that thread size.
Answered by: Delta1
Date published: 2013-10-22

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
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