Pilar®

Single Handle Kitchen Faucet with Spray

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4380-RB-DST is rated 4.1 out of 5 by 84.
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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
  • No-Lead Compliant
Finish: Venetian Bronze
List Price*: $565.80
Base Parts
4380-RB-DST
List Price*: $565.80
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

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 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
Rated 5 out of 5 by from Excellent warranty I purchased this faucet from a plumbing supply store about five years ago and have been very happy with all aspects of it. I was even able to install it myself. I recently replaced my countertops, cabinets and sink and when the plumber removed this faucet, a small part related to the sprayer connection broke. I called Delta and they happily replaced the sprayer at no cost. An excellent product and and excellent warranty. thanks so much!
Date published: 2017-12-02
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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

Is there a laminar flow faucet attachment compatable with this model? Or an adaptor that would work?

Asked by: Taylor
Thank you for your question, Taylor! Although we do not offer a laminar flow aerator for this model, this spout has a thread size of M21.5x1-6G. The RP51505 adapter will convert this size to a male 55/64”-27 thread. You may then be able to find a compatible laminar flow aerator locally or online. https://www.deltafaucet.com/parts-product-detail?modelNumber=RP51505 Best regards, Edward
Answered by: DeltaFaucet234
Date published: 2018-10-18

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

Does it have a base plate for 4 holes

Asked by: Bob 3824
Thank you for your question, Bob. Unfortunately, we do not have an escutcheon plate for this model. If you have 4 holes, we recommend the model 4380-SD-DST, which includes a soap dispenser. https://www.deltafaucet.com/kitchen/product/4380-SD-DST Alternatively, you can purchase a soap dispenser such as the model RP50781 or a hole cover to add to the 4380-DST. https://www.deltafaucet.com/kitchen/product/RP50781 Best regards, Jon
Answered by: DeltaFaucet3
Date published: 2018-05-29

MY unit is about 5 years old and for some reason when i tun on the tap to hot or cold or both the water only trickles out ----- was doing this off and on for a whole but now is permanent ----can i repair this $$

Asked by: RFRF
Hi, RFRF! Thank you for your question. We would recommend to flush the valve to make sure no debris is causing the low flow from your faucet. Over time, common water debris will settle in the house supply lines. Anytime the water is shut off to a portion of the home, this debris can become dislodged and will move through the pipes to be caught by a faucet. Local construction or the changing of the seasons can also cause this. Flushing the supply lines through the unit should remedy this situation. To flush the unit, we recommend the following: Start with the easy stuff: Remove your aerator, wand or hose to check the flow through the unit without that part installed. If the flow is good, the piece you’ve removed is where the issue is. Soaking the part in a 50/50 mixture of white vinegar and water could help remove any particles or debris blocking the flow. If the water does not have a good flow, the problem could be in the faucet. Next, check the supply lines for debris: Turn the supply off to both the hot and cold-water lines. Once off, turn the handle on the faucet to the on position and leave it there to bleed the lines of any excess water. Next, disconnect the hot water supply line and place it inside of a bucket. Once the line is securely positioned into the bucket, turn on the cold-water supply. Since the handle was left in the on position, the water will flow up the cold supply line, through the faucet cartridge and back down the hot water line into the bucket. Leave this flowing for at least 30 seconds. After flushing, reconnect the hot water line and repeat this process with the cold-water line to ensure all particles have been removed from both supplies. If you need further help with this process, please contact us directly and we can walk you through the procedure. We are available at 800-345-3358 (prompt 2, then 3), Monday through Friday, 8am to 8pm and Saturday, 9am to 6pm CST. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-05-24

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

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

The button on the sprayer sticks open, and I have to pull it back out to turn off the sprayer. How can I un-stick th button? Does it need a new spring inside? 

Asked by: TechiePhil
Hi, TechiePhil! Thank you for your question. Unfortunately, if the sprayer button is stuck, we do recommend to replace the sprayer assembly. The part number for this is RP53880AR. Here is a link to the part on our website: https://www.deltafaucet.com/parts-product-detail?modelNumber=RP53880AR To order, please contact our Delta Customer Service line at (800)345-3358. We are available Monday-Friday, 7am-7pm, CST and Saturday, 8am-5pm, CST. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-04-02
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