Foundations®
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Side Spray and Hose Assembly w/ Support in Chrome

Model#: RP103754
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Foundations®
View Full Foundations® Bathroom Collection
Side Spray and Hose Assembly w/ Support in Chrome
Model#: RP103754
List Price: $6730
Add to Favorites
Find local Delta® installers.
PRODUCT FEATURES
Technology and Special Features
Diamond Seal® Technology
Documents & Specs
Installation Information
Overall Height (in.) :
5-11/16
Valve Type:
NA
REVIEWS
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Q&A

Where can I buy a replacement hose assembly #RP103754? I have not been able to find a replacement and the hose has cracked. None of the “universal “ kits have the correct faucet fitting. This has been a great unit.

Asked by: Greg
Hi Greg, Thank you for your question about the Delta Faucet RP103754 replacement sprayer and hose. Please accept our apology for the inconvenience you are experiencing with the hose. We are happy to help! We no longer make the hoses with a square white quick-connect. The recommended replacement is this RP103754. Which now has a round quick-connect. You will need to use the entire kit to also change the block and o-rings on the faucet nipple so that the round quick-connect can be used. Please reach out with any additional questions! Best Regards, Bryan
Answered by: Delta
Date published: 2025-11-19

Will the RP103754SS replace the RP54807? Do the quick connect fittings match and are they interchangeable? I have a Model 21996LF series / S/N 413763-A faucet.

Asked by: Jim R
After some back and forth with support, the RP103754SS will replace the RP54807 *IF* you get the RP103673 plug replacement kit. That will swap out the square connector for the newer round connector. Why this isn't more commonly known with the support teams seems to be a massive support ($$) loss for Delta on resending connections.
Answered by: Bob27
Date published: 2026-02-21

the question is how to connect where the hose connects under the sink to the bottom pipe on the faucet that comes down. there is an extra washer in a seperate small bag and plastic part. what are these for and how is it installed?

Asked by: dewayne
Hello Valued Customer, Thank you for contacting Delta Faucet Company! To connect the sprayer, please refer to page 3 box 1B in the link below! The parts in the bag are for the connection you have for the sprayer. The link below will show a photo and explain how these are installed. https://media.deltafaucet.com/MandI/86377%20Rev%20E.pdf We appreciate your inquiry. Please reach out directly if you have further questions! Best Regards, Kyra Digital Communications Specialist
Answered by: Delta
Date published: 2025-04-02

I have a builders grade chrome faucet with a side sprayer. The part on the sprayer that is pushed to start spraying is broken.  The head and neck unscrews from the bottom that is connected to the hose. Can you send me that part?

Asked by: Leah
Hi Leah, Please accept our sincere apology for the inconvenience you are experiencing. We have reached out to you via email to further assist at this time. Best Regards, Tim Digital Communications Specialist
Answered by: Customer Service
Date published: 2024-04-05

installation instructions for side spray and hose assembly RP103754SS. it appears to just slide on but there are rubber washers and an extra little part. Where do they go. How is it installed?

Asked by: dewayne
Hello DeWayne, Thanks so much for contacting Delta Faucet Company! The Foundations® Side Spray and Hose Assembly w/ Support Model#: RP103754SS installation instructions can be found at the link below. https://media.deltafaucet.com/MandI/86603%20Rev%20F.pdf Please reach out with further questions! Best Regards, Kelley Digital Communications Specialist
Answered by: Kelley
Date published: 2025-04-01

The button of my sprayer is slow to respond and gets stuck. How can I make the button responsive again?

Asked by: Collin
Hello Customer! Thank you for your question and we are happy to help. We recommend scrubbing the face of the sprayer as well as soaking it in 50% warm water and 50% white vinegar to break up any debris. If this does not resolve your issue, please contact us directly by giving us a call or sending us an email. Best Regards, Carrie
Answered by: Carrie
Date published: 2025-06-10

I was sent a replacement sprayer & hose assembly. My old sprayer has a square white disconnect-replacement has round disconnect with 2 small black washers&blue plastic piece.video that shows how to convert would help-answer y’all provided b4 doesn’t help

Asked by: Frank
I also received a replacement sprayer & hose assembly with no instructions. The old sprayer hose assembly had a white disconnect piece on the attachment nipple that needs to be removed. Then the new blue piece will need to be replaced. Make sure that the arrow on the blue piece is pointing down. After this small blue piece is installed, you can attach the new sprayer & hose assembly.
Answered by: Dean
Date published: 2026-05-18

Received a RP103755 to replace old type sprayer. I can't find this item no. on your website. There were no instructions with the box, but it included a small blue piece NO washers. Can you provide instructions to retrofit? Thank you.

Asked by: Curious
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