Delta®

Soap / Lotion Dispenser - Nut

Model#: RP21945
Delta®
Soap / Lotion Dispenser - Nut
Model#: RP21945
List Price: $8.30
Online Price: $6.64
Free Ground Shipping All Orders $49+
Documents & Specs
Installation Information
Overall Height (in.) :
3/4
Valve Type:
NA
REVIEWS
Rated 5 out of 5 by from Unique size Perfect fit on my Delta faucet from 2008. 3/4 inch- could not get this at HD, Lowe’s or a national plumbing supply
Date published: 2026-02-12
Rated 3 out of 5 by from I should have ordered the complete unit, but I made it to fit Thank you Case Van Kleef
Date published: 2018-01-02
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Q&A

Is this 3/4"?

Asked by: Chris
Thank you for your inquiry, Chris! The The outer diameter of the RP21945 soap dispenser nut, minus the four wings is 1.75" and 2.12" to the end of the wings. Best regards, Tanya
Answered by: Delta Faucet
Date published: 2024-03-28

I bought a Delta faucet model 19933-SSSD-DST. I am installing in a new granite countertop. The specs. tell me that the hole through the granite for

faucet is 1 3/8" =/- 1/8". But what size hole needs to be cut in the granite for the soap dispenser?
Asked by: Ruth
Hi Ruth, Thank you for your question. The same hole size for the faucet is recommended for the soap dispenser. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2024-03-28

Is the 2" gasket included in part number RP21945?

Asked by: R A
Hi R A, Thank you for your question. The RP21945 is for the nut only, no gasket is included. The 1-3/4" OD gasket that goes under the soap dispenser base on top of the counter is available to order as RP6052. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2024-03-28

will this nut fit the support assembly rp50787?

I only need the nut, not the entire assembly
Asked by: Troy
Hi Troy, Thank you for your question. Unfortunately, this nut does not work with the sprayer support. The mounting nut for the RP50787 is not available separately. Best regards, Jon
Answered by: DeltaFaucet3
Date published: 2024-03-28

Does this nut fit the Delta 16926-SD-DST soap dispenser?

Asked by: Loll
Hello! Yes, this is the mounting nut for the soap dispenser for model 16926-SD-DST. Please reach out with further questions! Best Regards, Tim Digital Communications Specialist
Answered by: Timothy
Date published: 2026-02-19

This looks like the one I need. Is the dia. of the hole aprox. 1 1/16"

Asked by: Pig
Hi Pig, Thank you for your question. The inner diameter of the RP21945 soap dispenser nut is 1.10". Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2024-03-28

What is the inside diameter of this nut?

Asked by: Nut for soap dispenser
Hi Nut for soap dispenser, Thank you for your question! The inner diameter of the RP21945 soap dispenser nut is 1.10". Please reach out with any additional questions! Best Regards, Bryan Digital Communications Specialist
Answered by: Digital Specialist
Date published: 2026-04-10

My soap dispenser is sticking when I push down and it doesn't come up; how do I repair this? What part do I need?

Asked by: Dawn
Hello Valued Customer, Thank you for contacting 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 Communications Specialist
Answered by: Delta
Date published: 2025-01-16
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