Single Handle Bar / Prep Faucet


Model#: 1980-AR-DST
1980-AR-DST is rated 5.0 out of 5 by 8.
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Finish: Arctic Stainless
List Price (US $): $421.25


  • Water-Efficient
  • No-Lead Compliant
  • 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
  • 2-hole 4" installation
  • ADA Compliant
  • High-arc spout swivels 180degrees


Special Features

  • ADA Compliant

Installation Information

2-hole 4" installation

  • Flow Rate: 1.50 gpm @ 60 psi, 5.7 L/min @ 414 kPa
  • Spout Height: 9-1/2"
  • Spout Length: 6-5/8"
  • Deck to Outlet: 6-59/64"
  • Fittings Type: 3/8" compression fittings
  • Deck Thickness: 2.5"
  • Supply Lines: Included InnoFlex® Pex-C Supply Lines
  • Valve Type: DIAMOND Seal Valve
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I am pretty sure this is the faucet that I have. It is leaking. Can you give me the part numbers to replace the various pieces?

Asked by: Seatuck
Hi, Seatuck! Thank you for your question, and I am sorry to hear that you are experiencing a leak from your Delta faucet. There is a bonnet nut that is holding the cartridge down, underneath your handle. We recommend to tighten the bonnet nut to stop the leak. To do this, turn the water off at your shut off valve. Remove the handle. Tighten the bonnet by turning clockwise, to the right. Install the handle back on and turn the water back on. Test the faucet. If the faucet still leaks, we recommend to replace both the valve cartridge assembly, RP50587, and the bonnet nut, RP51503. Best Regards, Rosanna
Answered by: DeltaFaucet11
Date published: 2018-03-22

Can this faucet be ordered with a 1.5 gpm laminar flow aerator?

Asked by: Brian
Thank you for your question, Brian. Unfortunately, we do not have a laminar flow aerator for this faucet. Best regards, Jon
Answered by: DeltaFaucet3
Date published: 2017-08-01

How do I remove the valve handle

Asked by: Tommy
Hi Tommy, Thank you for your question. To remove the handle the red and blue indicator button will need to be removed. Then a 1/8" Allen wrench will need to be used to remove the set screw. Once these are removed the handle will pull up and off. Best Regards, Courtney
Answered by: DeltaFaucet12
Date published: 2016-05-23

Can I get a Delta 1980-DST with a 1/2 GPM flow restrictor

Asked by: Vic
Hi Vic, Thank you for your question. The model 1980-DST cannot be ordered with a 0.5 gallon per minute aerator. You can replace the aerator that comes with the faucet with RP60729 to achieve the 0.5 gpm flow rate. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2015-03-03

I am considering purchasing the Pilar Prep Faucet. Can a water filtration device be attached under the sink to the cold water?

Asked by: Tina
Hi Tina, Thank you for your question. The faucet model 1980-AR-DST cold water line can be hooked up to an under the sink filtration device. The supply line is a 3/8" compression fitting. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2014-07-07

I would like an owners manual or an easy way to access on line to assist in trouble shooting or normal maintenance

We didnt get a manual when we bought the Delta Pilar only the installation instructions. called your number but i'm not very good at finding info. our model # 980t-ss-dst
Asked by: Reah
Thank you for your question. We have several instructions depending on when your faucet was manufactured. Please go to and search for model 980T-SS-DST and then click on parts and technical information section.
Answered by: Delta1
Date published: 2013-10-22

I want to add a sprayer/diverter to this. Which model is the best choice?

Asked by: Mike
Thank you for your question. Delta Faucet model # 1980-DST already has a diverter built-in so all you need to get is the spray assembly and the spray support. The spray assembly is RP53880 and the spray support is RP50787.
Answered by: Delta1
Date published: 2013-10-22

I ahve a Pilar single handle The aerator does not work very well and it splashes a lot.

The aerator appears to be built into the faucet. Can I change the aerator to a better one that does not splash?
Asked by: Larry
Thank you for your question. I apologize that you are having an issue with your Delta Faucet. To ensure there is no debris in the line that is causing the splash, we recommend soaking the faucet head overnight in a 50/50 solution of white vinegar and cold water.
Answered by: Delta1
Date published: 2016-10-28
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