Pilar®

Single Handle Kitchen Faucet with Spray

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4380-DST is rated 4.1 out of 5 by 85.
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  • 3-hole installation
  • DIAMOND Seal Technology: a lifetime of reliable performance
  • Backed by Delta Faucet's Lifetime Limited Warranty
  • Water-Efficient
Finish: Chrome
List Price*: $409.95
Base Parts
4380-DST
List Price*: $409.95
Configurable Parts
  • DIAMOND Seal Technology is less hassle to install and helps your faucet perform like new for life, reducing leak points and lasting twice as long as the industry standard
  • Everything you need is together in one convenient box, including integrated InnoFlex PEX supply lines
  • 3-hole 6-16" installation
  • Includes convenient side sprayer
  • High-arc spout swivels 180degrees
  • 45 in. long hose provides outstanding reach

Technology

Special Features

  • With Side Sprayer
  • ADA Compliant

Installation Information


3-hole 6"-16" installation


  • Flow Rate: 1.80 gpm @ 60 psi, 6.8 L/min @ 414 kPa
  • Spout Height: 13"
  • Spout Length: 10-1/2"
  • Deck to Outlet: 9-3/4"
  • Fittings Type: 3/8" compression fittings
  • Deck Thickness: 2.5"
  • Supply Lines: Included InnoFlex® Pex-C Supply Lines
  • Valve Type: DIAMOND Seal Valve
Rated 3 out of 5 by from Disappointed My wife received a replacement Delta Kitchen Faucet for a defective model. The new faucet is model 4380-AR-DST direct from Delta on April 17 2014. Over the last month we have noticed placement of the handle affects whether the faucet drips, runs on or actually shuts off. After reading installation paperwork I see I must purchase an entire valve assembly to fix the drip. I feel this product should have lasted longer than 4 and one half years.
Date published: 2019-01-02
Rated 5 out of 5 by from Replacement for a discontinued model We very happy with this faucet, it is very nice looking. We noticed it has better water pressure than the old model.
Date published: 2018-11-29
Rated 5 out of 5 by from The Best bought this item several years ago. Delta came through with the right parts and I fixed problem in no time. So thankful!
Date published: 2018-09-28
Rated 5 out of 5 by from Great features We're entirely pleased with the quality and features of this faucet set. We especially like the high arc of the faucet. The side sprayer works well and seems durable. It's not easy to find a side sprayer now, since pull-down sprayers have become more popular. This set meets our needs perfectly.
Date published: 2018-09-23
Rated 3 out of 5 by from Good color Searched everywhere to find replacement faucet for three holes in antique bronze. Works beautifully but very disappointed with the plastic piece covering the sprayer. Would have been so easy to make it bronze metal as well. Entire fixture now looks cheap
Date published: 2018-08-18
Rated 5 out of 5 by from Looks great, works great Purchased the Delta 4380-AR-DST Arctic Stainless Pilar Kitchen Faucet with Side Spray about 2 weeks ago. It looks good, works well and just feels sturdy when when using the product. I bought Delta, due to past experience and lifetime warranty.
Date published: 2018-07-11
Rated 1 out of 5 by from Constantly breaking. We had the Pilar faucet less than one year when the collar under the handle broke. We replaced it, and then it broke again. After replacing the collar a second time, now the spray attachment is broken. Due to system upgrades, I can't contact Delta to see if they will replace it. Meanwhile, we can't use our sink. Since I will be paying a plumber, AGAIN, to fix this faucet, I am hoping Delta will at least replace the part.
Date published: 2018-04-30
Rated 5 out of 5 by from looks great and installs smoothly. my son did the installation, which required removing the sink in order to be able to remove the old unit. but with the ease of installing the Delta faucet the entire job only took an hour and a half. very satisfied .
Date published: 2018-03-28
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I am considering purchasing this model of faucet but would like to know if the water supply can be mounted on the left, spout in the center and spray

Asked by: Rob
Our installer told us we could have the order be any way we wanted. We opted for as shown, but water supply on left would be good for lefties!
Answered by: Micbabs
Date published: 2018-03-10

Can the water handle be mounted on the right

Asked by: Bren
Hi, Bren! Thank you for your question. The handle for the 4380-DST can be installed on the right or left of the spout assembly. Best Regards, Rosanna
Answered by: Rosanna
Date published: 2017-09-11

I love the faucet, but I need to connect a portable dishwasher to it using a fitting with a 15/64" - 27 outside thread. It is a different size than the aerator. Is there an adapter piece available? I don't want to go back to manually washing dishes.

Asked by: JoeStanley
Hi, JoeStanley! Thank you for your question. This faucet aerator has a thread size of M21.5x1-6. We do have an adapter, RP51505, that will convert from 21.5X 1-6 g metric thread to 55/64”-27 standard thread. Here is a link to this adapter: https://www.deltafaucet.com/parts-product-detail?modelNumber=RP51505 Best Regards, Rosanna
Answered by: Delta Faucet
Date published: 2018-06-28

I am installing this faucet and not sure what the foam pieces are for? I have a white rubber gasket but also a foam piece with a cutout. Is this a gasket also? Instructions say is is part RP6052.

Asked by: Kevin
Hi, Kevin! Thank you for your question. The parts are gaskets to prevent leaking. I do apologize for the confusion this may cause. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-04-18

How do I remove the aerator on this faucet? I want to try to flush it. I don't have the tool I see your technician using in the video you posted. My faucet is PILAR® Single Handle Kitchen Faucet with Spray MODEL#: 4380-DST. Thanks.

Asked by: Carol
Hi, Carol! Thank you for your question. The aerator assembly for the Delta 4380-DST faucet can be removed with a small aerator wrench. The part number for this aerator wrench is RP52217. Here is a link to this part: https://www.deltafaucet.com/parts-product-detail?modelNumber=RP52217 Best Regards, Rosanna
Answered by: Delta Faucet
Date published: 2018-11-20

Do they make extension's for this faucets installation, for thicker counter tops?

Asked by: Hope
Hello, Hope! Thank you for your question. Unfortunately, we do not have an extension kit for the Pilar Single Handle Kitchen Faucet with Spray (4380-DST). I do apologize for this inconvenience. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-05-24

how do I tighten the handle on the supply line above the sink

It's almost impossible to tighten from below.
Asked by: Chick
Hi, Chick! Thank you for your question. There is a small set screw in the handle itself that can be tightened with a 1/8" allen wrench. The set screw can be found behind the small blue/red button on the handle. Best Regards, Rosanna
Answered by: Rosanna
Date published: 2017-09-05

Which aerator adapter for DST-4380?

Purchased DST-4380 June 2015. I just purchased the RP51505 adapter but it does not fit into the faucet. The bottom threads on the RP51505 do fit the aerator I would like to use. Is there an adapter that fits the DST-4380 with same size bottom threads as the RP51505?
Asked by: Fred
Hi Fred, Thank you for your question. This faucet has M24x1 aerator threads. Unfortunately, we do not make an adapter that works with this model. Thanks, Jon
Answered by: DeltaFaucet3
Date published: 2015-09-08
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