Single Handle Kitchen Faucet with Spray

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400-DST-L is rated 4.3 out of 5 by 115.
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List Price*: $162.65
Base Parts
List Price*: $162.65
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.
  • DIAMOND Seal Technology features a valve embedded with diamonds to ensure like-new operation for the life of the faucet
  • Meets standards set by Americans with Disabilities Act
  • Includes convenient side sprayer
  • 4-hole 8 in. installation
  • Standard spout swings 180degrees for added convenience


Special Features

  • With Side Sprayer
  • ADA Compliant

Installation Information

4-hole 8" installation

  • Flow Rate: 1.80 gpm @ 60 psi, 6.8 L/min @ 414 kPa
  • Fittings Type: 3/8" compression fittings
  • Valve Type: DIAMOND Seal Valve
Rated 4 out of 5 by from Drips Just had the 400-DST single handle faucet installed along with a new sink and when you shut the water off, it drips for a while. It was installed by a plumber
Date published: 2019-10-27
Rated 5 out of 5 by from Great product and company I purchased this item as a replacement for our 40 year old faucet. This is a real quality product and the price was good. I purchased it at Lowe's.
Date published: 2019-10-03
Rated 3 out of 5 by from Sprayer connection under sink leaks. We bought this faucet several months ago after our existing Delta faucet sprung a leak under the sink after 9 years of heavy use. We had great experience with the faucet and decided to replace it with another Delta. Come to find out the same faucet was still be manufactured and bought another just like the first. After installation, we noticed water under the sink on the cabinet floor. Felt water at the sprayer connection, so we disconnected the sprayer and installed the sprayer plug. After a few hours we found water leaking at the sprayer plug. Upon further investigation we found the blue plug for the sprayer pops out slightly every time the water is turned on. Push plug back into place turn on water and pops out again. We verified plug is secured and still pops out. Like the faucet, but don't like the water leak. Guess I will be installing another faucet sooner than later.
Date published: 2019-08-18
Rated 5 out of 5 by from Lovely Addition I bought this to replace the faucet in my kitchen of nearly 20 years. It's perfect! It was exactly what I was looking for and fit perfectly.
Date published: 2019-08-14
Rated 5 out of 5 by from Great faucet Bought this as a replacement for a leaking Moen faucet. Easy to install, no problems at all.
Date published: 2019-07-27
Rated 5 out of 5 by from great water pressure and looks good love this product and a great price
Date published: 2019-06-23
Rated 2 out of 5 by from Disappointed Very disappointed with the usability of this faucet. The regulator handle is too sensitive to position. Every time the water is turned on we need to "hunt" for the right temperature position. It is very difficult to return to a previous setting since to turn off the flow, the handle must be pulled back and positioned in the exact center horizontally to avoid trickling flow and drips. From here, if you always want the coldest or hottest water ... no problem - just move the handle back and full left or right. If you're doing something like washing dishes and you want to return to the same warm temperature you've been using ... good luck! You'll need to estimate the previous angle to move the handle to and then once again adjust for the temperature. Our previous faucet that was replaced was a Moen ... much better. With that one, you could set the handle to the desired water temperature and turn on and off maintaining the same setting. If we get frustrated enough, we may just replace this new Delta faucet.
Date published: 2019-04-12
Rated 5 out of 5 by from Easy to install I bought this a month ago and it was easy to install. It works great and I would recommend it. .
Date published: 2019-03-29
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installing a delta 400-dst-l , spray hose leaking , does not leak with the plug in the hose end end goes in and clip shuts tight. need a hint or two.

Asked by: Bruce
Thank you for your question Bruce. There is a small o-ring that goes on the end of the hose assembly. If this have been damaged or accidentally removed, it will not seal properly and can lead to a leak. This part is available to order as part number RP10345. If you have any questions or need assistance with this part, please contact us at 1-800-345-3358 Monday-Friday: 8a.m.-8p.m. EST and Saturday: 9a.m.-6p.m. EST or via email at Below is a link to the parts diagram for your model. Best regards, Edward
Answered by: DeltaFaucet234
Date published: 2018-04-15

how do you replace valve assembly

Asked by: Bud
Hi Bud, Thank you for your question. To access the RP50587 valve assembly in the model 400-DST-L you will first need to shut off the water supply to the faucet. You will then to remove the handle by removing the set screw on the front of the handle. Next unscrew the cap and bonnet. Once these parts are removed you will be able to replace the valve assembly. Here is a link for the How to video for replacing the diamond seal technology cartridge. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2018-04-03

Is there a Delta replacement adapter (for the aerator) to connect the 400-DST-L kitchen faucet to a Sears/Kenmore portable dishwasher? This new Delta faucet leaks out of the top of the dishwasher connector (using our previous faucet aerator adapter).

Asked by: Mark
Hi, Mark! Thank you for your question. The aerator thread size for the Delta 400-DST-L faucet is 15/16" male. We recommend to check with the manufacture of your dishwasher for the correct adapter for this. Best Regards, Rosanna
Answered by: Delta Faucet
Date published: 2019-01-03

How long are the supply lines from sink top to end?

Asked by: Hazfran
I just recently replaced my kitchen faucet. I reinstalled another Delta faucet. The supply lines on the new faucet were about 2 ft or more in length. More than enough to reach the cut-off valves at the bottom of my kitchen sink cabinet.
Answered by: Michael1951
Date published: 2017-07-22

Delta Kitchen Faucet Model 400

I must have an old model because those two copper tubes at the bottom have a flat end. Are they required to be soldered? Or, is there a way to connect them to the cold/hot water lines without soldering? Thanks a lot.
Asked by: Virgie
You might need to upgrade the valves which the tubes attach to. A plumber can surely assist.
Answered by: GGill
Date published: 2014-06-28

do i have to connect the sprayer

am installing faucet and wife wants to use a soap dispenser instead of sprayer. Do I need to do anything other than leave sprayer connection alone?
Asked by: docfishbones
Thank you for your question. Delta Faucet model # 400-DST-L is equipped with a cap so that the consumer has a choice of using the sprayer or not using the sprayer. Just make sure the cap is in place before turning on the water.
Answered by: Delta
Date published: 2013-10-22

how can I connect 400-dst to dishwasher

Asked by: Griff
Hi Griff, Thank you for your question. Delta Faucet model # 400-DST-L has an aerator that measures 15/16" and you will need to check with the dishwasher manufacturer to see if this will fit together. Thanks. Jody
Answered by: Delta
Date published: 2014-02-17

What does water efficient mean?

Asked by: Larry
Thank you for your question, Larry! Water-Efficient kitchen faucets help to conserve water by having a flow rate of 1.8 gallons per minute or less. Best regards, Jon
Answered by: DeltaFaucet3
Date published: 2016-08-05
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