Single Handle Pull-Down Bar / Prep Faucet in Chrome
Model#:
9978-DST
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PRODUCT FEATURES
Delta® MagnaTite® Docking uses a powerful integrated magnet to pull your faucet spray wand precisely into place and hold it there so it stays docked when not in use. Delta® faucets with DIAMOND™ Seal Technology perform like new for life with a patented design which reduces leak points, is less hassle to install and lasts twice as long as the industry standard*. Kitchen faucets with Touch-Clean® Spray Holes allow you to easily wipe away calcium and lime build-up with the touch of a finger. You can install with confidence, knowing that Delta faucets are backed by our Lifetime Limited Warranty. *Industry standard is based on ASME A112.18.1 of 500,000 cycles.
- MagnaTite Docking uses a powerful integrated magnet to snap your faucet spray wand precisely into place and hold it there so it stays docked when not in use and doesn't droop over time
- Soft, rubber Touch-Clean spray holes allow you to easily wipe away calcium and lime build-up with the touch of a finger
- 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 pull-down swivels 360degrees
Special Information
California Prop 65 WARNING
CALIFORNIA PROP 65 WARNING
<b>WARNING: </b>Risk of cancer and reproductive harm from exposure to Lead. See www.P65Warnings.ca.gov.
For more information go to http://www.P65Warnings.ca.gov
Technology and Special Features
ADA Compliant
ADA Compliant
Some people, and some local codes, require fixtures that are compliant with the Americans with Disabilities Act. If someone may visit who has special needs, or if you believe future buyers might appreciate this feature, Delta offers a range of compliant fixtures.
No-Lead Compliant
No-Lead Compliant
Tested and certified to NSF/ANSI Standard 61, which sets the criteria for product safety. The lined waterways in Delta® faucets help prevent leaching of metals.
Water-Efficient
Water-Efficient
CalgreenCert Tooltip information here...
Diamond Seal® Technology
Diamond Seal® Technology
DIAMOND™ Seal Technology is Delta’s revolutionary new water delivery system. An internal contact surface made up of tiny diamonds makes the valve leak-free and extraordinarily durable. It also keeps water free of contact with potential metal contaminants.
MagnaTite® Docking
MagnaTite® Docking
The pull-down spray head utilizes a powerful magnet which keeps the wand securely in place when not in use. No more dangling!
Special Information
California Prop 65 WARNING
CALIFORNIA PROP 65 WARNING
<b>WARNING: </b>Risk of cancer and reproductive harm from exposure to Lead. See www.P65Warnings.ca.gov.
For more information go to http://www.P65Warnings.ca.gov
Documents & Specs
Product Support, Repair Parts & Technical Specifications
Resources
Installation Information
2-hole 4" installation
Connection Type :
3/8" compression fittings
Flow Rate :
1.8 gpm @ 60 psi, 6.8 L/min @ 414 kPa
Overall Height (in.) :
14
Valve Type:
Ceramic Disc
INSTALLATION SUPPORT
Need help with installation? Find local Delta® installers. Get Quotes. Read reviews.
REVIEWS
Rated 4 out of
5
by
John46 from
Replacement
Replaced same model that was 16 years old. Noticed some changes. Water comes out noisier. Replaced braided stainless steel hose with a rubber one. I hope it holds up as well as the previous one. The brushed nickel finish looks almost like stainless steel.
Date published: 2026-04-17
Rated 4 out of
5
by
KS Kitchen from
Easy to use and high quality. Plumber installing had to go get an extra part ($). The only thing we don't love is that the extended nozzle needs a real push to get back in the faucet.
Date published: 2026-03-29
Rated 5 out of
5
by
brax26 from
Great features
I love my new faucet. Hands down, it makes daily cooking easy and was easy to install. I really appreciate the customer service I received with this product. Thank you
Date published: 2026-02-21
Rated 3 out of
5
by
Amoy from
Not Satisfied and it's a Waste of Money.
The faucet had a modern design. Unfortunately, when I installed the faucet I was surprised the way the Standard Flow of water was very "LOW". I do not know what's wrong with my new faucet.
Date published: 2026-01-25
Rated 2 out of
5
by
Eric F from
Ok for a while, but doesn't last
Started out ok, but over time it didn't age well. The cartridge needs replaced repeatedly and only lasts maybe a year before it starts leaking again. The finish (as you can see in the photos) didn't last at all on the venetian bronze finish. The connection to the pull down sprayer is rusting.
Date published: 2026-01-08
Rated 1 out of
5
by
Rick67 from
Doesn’t last long
Needed a new cartridge after a year. Delta said they would only supply 1 for the life of the faucet. A year later the new one is failing and the screw to remove the handle to replace the $50 cartridge has seized so the faucet need to be replaced. Garbage.
Date published: 2025-12-14
Rated 5 out of
5
by
psgbkaj from
Looks great
Love it! Looks great and doesn't get water spots!
Date published: 2025-10-23
Rated 1 out of
5
by
Sk224 from
This is trash
This is absolute trash. I can't believe you sell this crap. It never shuts off and it drips. This should last us forever. We are the original owners of the house. Delta fix it!
Date published: 2025-10-05
Q&A
What parts are needed for a sinkage hole installation?
We installed this faucet with a base plate to cover pre-drilled holes. We are remodeling with granite countertops and want a single hole installation. We no longer have the box or other parts. What do we need to install this properly? Is an adapter needed?
the multi use wrench which is supplied with the faucet is the only tool you will need for installation. if you install the faucet before the sink is set in place you will have an easier time installing the faucet with or w/o the wrench.
Date published: 2024-03-28
Model 9178DST
Does the screen come off so you can clean out the little flecks of rust?
Hi Kim, Thank you for your question. The cache aerator on the wand of your model 9178-DST is removeable. The faucet shipped with a small blue t-shaped wrench that will help unscrew the aerator. If you do not have the wrench it can be orderd as RP50815.
http://www.deltafaucet.com/repairparts/details/rp50815.html
Thanks,
Dave
Date published: 2024-03-28
how do you tighten lever for water? It is loose
Thank you for your question, Chris. To tighten the handle, pop off the red/blue button and use a 1/8" Allen wrench to tighten the set screw.
Best regards,
Jon
Date published: 2024-03-28
What diameter holes are required for installation?
Hi ekap,
Thank you for your question about the Delta Faucet model 9978-DST.
The recommended hole size is 1 3/8".
Please reach out with any additional questions!
Best Regards,
Bryan
Digital Communications Specialist
Date published: 2024-07-08
I have a Leland 978-SS-DST. A couple of years ago it began to drip. You sent me a replacement Cartridge (RP50587) which fixed the drip but now its dripping once again. Can you send me another?
Hi Danny, thank you for contacting Delta Faucet Company!
We apologize for the inconvenience you are experiencing! We have reached out to you directly to further assist you with this matter.
We appreciate your inquiry. Please reach out directly if you have further questions!
Best Regards,
Kyra
Digital Engagement Specialist
Date published: 2023-07-31
Can the handle be installed to the left of the faucet instead of the right as shown in the Price book?
Hello Shelly!
Thank you for your question and we are happy to help! The Delta 9978-DST handle can be installed to the left instead of the right. With any further questions or concerns, please do not hesitate to reach out to us directly.
Best Regards,
Carrie
Date published: 2024-03-28
This is the faucet that I currently have. It won’t stop leaking without fiddling around with the handle. You have to get it just right, and sometimes this take a while! Is this faucet warranties and can I get a new cartridge for it?
Hi Valued Customer,
Thank you for your question, please accept our sincere apology for the inconvenience you are experiencing. We will be happy to assist you in resolving this issue as quickly as possible.
Please feel free to contact us directly for technical information at 800-345-3358. We are available Monday through Friday from 8 a.m. to 8 p.m. and Saturdays from 9 a.m. to 6 p.m. Eastern Standard Time.
Thank you for being a loyal Delta Faucet customer.
Best Regards,
Themar
Digital Communications Specialist
Date published: 2025-11-13
Could this be used as a normal kitchen sink faucet? What is the difference between the two?
Hello Big Dog,
Thank you for your question. We are happy to help!
A bar/prep faucet like the Delta 9978-DST is designed for a smaller sink than a standard sink faucet. The spout length is shorter at 6-11/16".
https://media.deltafaucet.com/SpecSheet/dsp-k-9978-dst_D.pdf
Best regards,
Bryan
Date published: 2024-03-28
On the 9978 will that work if the 2 holes are 5 inches apart instead of 4 inches. Also is there a champagne bronze sink hole cover available.
Hello Valued Customer,
Thank you for contacting Delta Faucet Company!
Our 9978-DST is a 2-hole 4" inch installation. We do manufacture sink drains, however, we cannot guarantee that it will fit your specific sink. Please reach out to us directly so we can further assist you with this matter.
We appreciate your inquiry. Please reach out directly if you have further questions!
Best Regards,
Kyra
Digital Communications Specialist
Date published: 2025-04-21
Hi, Rp51481, I just need the black plastic lock ring
Hi Rudy,
Thanks so much for contacting Delta Faucet Company!
The LELAND® Valve Sleeve Assembly MODEL#: RP51481 does not have replacement parts. The whole sleeve will need to be replaced.
Please reach out with further questions!
Best Regards,
Kelley
Digital Communications Specialist
Date published: 2024-03-21
Th sprayer head will not stay up because the magnet has rusted and broke off and the hose looks rusty also , we have had this a good many years and I understanding it had a lifetime warranty
Hi Roger, thank you for contacting Delta Faucet Company! Please accept our sincere apology for the inconvenience you are experiencing. We will need more information to assist you better. Please watch out for an email from customerservice@deltafaucet.com.
Best Regards,
Emma
Digital Communications Specialist
Date published: 2024-03-28
My Leland faucet has a constant drip
Hello Leslie!
Thank you for your question and we are happy to help. You may need a RP50587 cartridge replacement. Please contact us directly by giving us a phone call or sending us an email for further assistance.
Best Regards,
Carrie
Date published: 2025-01-14
When the spray mode is on, I understand from previous questions that it stays on until it is changed. Is this true if the faucet is turned off while in spray mode? Will the faucet remain in spray mode when the faucet is turned on again?
Hello Delta fan,
Thank you for your question! I will be happy to assist.
Correct, if you shut your faucet off in the spray mode, it should be the spray mode when you turn it on again.
Please contact us back if you need further assistance.
Best Regards,
Kyra
Date published: 2024-03-28
Models 978-DST and 16970-SD-DST. Minimum distance (from faucet center) to backsplash is 2.5 inches. Max radius of faucet is 1-3/16 in. Is the 2.5 inch minimum for installation or could a distance as small as ~ 1-1/2 inches to the backsplash suffice?
Hi Paul,
Thanks so much for contacting Delta Faucet Company!
The LELAND® Pull-Down Kitchen Faucet MODEL#: 978-DST and the KATE® Pull-Down Kitchen Faucet MODEL#: 16970-SD-DST both require a minimum of 2 1/2" (64 mm) clearance to the back splash. This clearance allows for proper spout rotation, they rotate 360˚. Please refer to the technical specifications sheet for more information, I have attached the links below.
https://media.deltafaucet.com/SpecSheet/dsp-k-978-dst_G.pdf
https://media.deltafaucet.com/SpecSheet/dsp-k-16970-sd-dst_C.pdf
Please reach out with further questions!
Best Regards,
Kelley
Digital Communications Specialist
Date published: 2024-03-28
Plastic locking ring on to Rp51514
Re: Leland one handle pull down kitchen faucet: how much space is needed between the center of the faucet base and the center of the installed soap dispenser to its right?
Hello M Crowell! Thank you for your question! I am happy to help you.
Though we do not give recommendations on how close the soap dispenser should be to the faucet I would be happy to provide you with a link to the technical specifications of this faucet. By using this you will know the measurements so that you may decide what works best for you.
https://media.deltafaucet.com/PartsDiagram/DPD-K-9178-DST.pdf
Best Regards,
Antoine
Date published: 2020-12-07
Our faucet is almost 10 years old, and it is hard to keep the faucet from dripping. We have to try a few times and get the on/off mechanism in just the right place for the dripping to stop. What kind of repair might this faucet need?
Hi Valued Customer,
Thank you for your question, please accept our sincere apology for the inconvenience you are experiencing. We will be happy to assist you in resolving this issue as quickly as possible.
Please feel free to contact us directly for technical information at 800-345-3358. We are available Monday through Friday from 8 a.m. to 8 p.m. and Saturdays from 9 a.m. to 6 p.m. Eastern Standard Time.
Thank you for being a loyal Delta Faucet customer.
Best Regards,
Themar
Digital Communications Specialist
Date published: 2025-12-08
bjgaudet · 2 years ago I have a Leland 9178-ar-dst faucet that when using the single stream is leaks around the edge and has leaked since just after it was installed less than a year ago.
We only have the 9178-SP-DST for a little over a month and the water pressure seems to have greatly decreased on all 3 positions. What is causing our problem?
Hello Mag309,
Thank you for your question! We apologize for the low flow you are experiencing and I am happy to assist you!
Debris is usually the main cause of low flow on a Delta faucet. We recommend flushing the supply lines and valve, as well as soaking the wand head in a 50/50 solution of white vinegar and water.
Please contact us back with any further questions.
Best Regards,
Skyler
Date published: 2021-01-30
My faucet drips when I shut it off. what part do I need to fix this.
Hi Gino,
Thank you for contacting Delta Faucet Company! Please accept our sincere apology for the inconvenience you are experiencing. Here is what we can do to resolve your issue for you.
Our Delta Faucet Leland® Single Handle Pull-Down Kitchen Faucet With ShieldSpray® Technology In Venetian Bronze MODEL#: 9178-RB-DST takes the RP50587 to repair a leak under the handle or when off. Please see the link below to the parts diagram.
https://media.deltafaucet.com/PartsDiagram/DPD-K-9178-DST.pdf
Thank you for being a loyal Delta Faucet customer. We appreciate your business and look forward to continuing to serve you. Please contact us back with any further questions.
Best Regards,
Nicole
Date published: 2024-03-28
my kitchen faucet is leaking. 12 years old. builder installed. is this a warranty issue?
Hi frank!
Thank you for your question and we are happy to help. For warranty questions, please contact us directly by giving us a call or sending us an email.
Best Regards,
Carrie
Date published: 2024-02-29
I have had thiendelta leland pull down kitchen faucet for about 3 months and am experiencing low water flow pressure and reduced stream. It was fine when first installed. Spray function works fine. How can I clean the head. We have well water.
Hi Bernice,
Thank you for contacting Delta Faucet Company! Please accept our sincere apology for the inconvenience you are experiencing. Here is what we can do to resolve your issue for you.
Low flow is caused by a blockage or debris, we would recommend flushing the Delta Faucet Leland® Single Handle Pull-Down Kitchen Faucet With Soap Dispenser In Chrome MODEL#: 978-SD-DST. Please shut water supplies off before starting this process, also grab a towel, and a bucket.
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 a bucket.
Once the line is securely positioned into the bucket, turn on the cold-water supply.
Thank you for being a loyal Delta Faucet customer. We appreciate your business and look forward to continuing to serve you. Please contact us back with any further questions.
Best Regards,
Nicole
Date published: 2024-03-28
How do I obtain a valve cartridge for the Leland Single Handle Pull-Down Kitchen Faucet With Soap Dispenser In Stainless MODEL#: 978-SSSD-DST
Hi DAllen,
Thanks so much for contacting Delta Faucet Company!
We are pleased to help you with this today. Please check your email for further assistance.
Please reach out with further questions!
Best Regards,
Kelley
Digital Communications Specialist
Date published: 2024-06-25
I have this faucet and have loved it for years. I need to replace the cartridge because it has a small leak. I have the correct 1/8th allen wrench that came with it. However the screw got stripped so I can't remove it. What advice do you have to help me?
Hello andma23,
Thank you for reaching out to Delta Faucet Company!
We apologize for the issues you are experiencing and we are happy to help! We have reached out to you directly to further assist you with this matter.
We appreciate your inquiry. Please reach out directly if you have further questions!
Best Regards,
Kyra
Digital Engagement Specialist
Date published: 2024-01-31
Our 2016 9178-AR-DST kitchen faucet is difficult to get to shut off. We have to hit a precise off position or the water will continue to dribble or even run. How can I fix this?
Hi Valued Customer,
Thank you for your question, please accept our sincere apology for the inconvenience you are experiencing. We will be happy to assist you in resolving this issue as quickly as possible.
Please feel free to contact us directly for warranty information at 800-345-3358. We are available Monday through Friday from 8 a.m. to 8 p.m. and Saturdays from 9 a.m. to 6 p.m. Eastern Standard Time.
Thank you for being a loyal Delta Faucet customer.
Best Regards,
Themar
Digital Communications Specialist
(800) 345-3358
customerservice@deltafaucet.com
Date published: 2025-07-11
Valve assembly was leaking, replaced the bonnet, the gasket and valve assembly. Now the handle leakes. The sleeve assembly and the valve assembly leak. Replaced the twice..
Hi Lou 5,
Thanks for your question regarding 978-DST! I have included a link from our Delta Faucet Help Center on how to flush a DST kitchen faucet, as flushing your unit may resolve your concern.
https://support.deltafaucet.com/s/article/What-do-I-do-if-my-single-handle-kitchen-faucet-drips-from-the-spout-outlet-DST-model
Please feel free to contact us with any questions or for further assistance.
Best Regards,
Emma
Digital Communications Specialist
Date published: 2024-03-28
Hello, We purchased our new build home in 2022 and our delta faucet is leaking. We have a Leland 9178-DST and believe that the cartridge in the handle has gone bad. The part number is RP50587. Is this covered under warranty?
Hi Valued Customer,
Thank you for your question regarding our Delta Faucet 9178-DST. Please accept our sincere apology for the inconvenience you are experiencing. We will be happy to assist you in resolving this issue as quickly as possible.
We have reached out to you directly by email to further assist you.
Thank you for being a loyal Delta Faucet customer.
Best Regards,
Themar
Digital Communications Specialist
(800) 345-3358
customerservice@deltafaucet.com
Date published: 2024-08-14
What kind of cartridge do I need to repair this faucet and where can it be purchased?
Hi Jess27,
Thank you for contacting Delta Faucet. Please accept our sincere apology for the inconvenience you are experiencing. We will be happy to assist you in resolving this issue as quickly as possible.
Our Delta Faucet Delta LELAND® Single Handle Pull-Down Kitchen Faucet In Arctic Stainless
MODEL#: 978-AR-DST uses the RP50587 cartridge. You can purchase parts online or locally. Please see our Where to Buy page for help finding dealers in your area or online.
https://www.deltafaucet.com/where-to-buy
To order parts over the phone, please call us at 1-800-345-3358, Mon - Fri: 8 am - 7 pm EST. We accept Visa or MasterCard.
Thank you for being a loyal Delta Faucet customer. Please feel free to call, email, or message us on social if you need anything else.
Best Regards,
Themar
Digital Communications Specialist
Date published: 2024-03-28
If I buy this faucet, I would also like to buy the 'hole covers' for the 3 existing holes on my current sink that I do not need. What part numbers are there, in spotshield stainless finish?
Hello Dar13,
Thank you for question! We are pleased to assist!
The Delta LELAND Single Handle Pull-Down Kitchen Faucet With ShieldSpray Technology includes an optional escutcheon that will cover the holes.
Please feel free to contact back us for further assistance.
Best Regards,
Kelley
Date published: 2024-03-28
Can you show me how to remove or replace the Delta faucet aerator from Model 978-RB-DST. Tell me what part do I need and if I need special tool to remove it. Thank you in advance Jesus Benavides 281 8812642
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