Soap Dispenser Pump Head


Model#: RP21905AL
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Finish: Almond
List Price (US $):


Product Support, Repair Parts & Technical Specifications

Installation Information

  • Spout Height: 3-15/16"
  • Spout Length: 3-15/16"
  • Deck Thickness: 2.5"
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In general my kitchen faucet and sprayer are a very nice product. Why would the long thin part where the soap exits the dispenser, literally disintegrate where it is attached to the pump?

Asked by: mlc46
Hello mlc46, Thank you for your question regarding the Delta Soap / Lotion Dispenser - Pump Head. I am sincerely sorry to hear that the spout of your dispenser is disintegrating and I apologize for the inconvenience this has caused. There are a few factors to consider for why the material of the dispenser is disintegrating. The protective finish present on the soap dispenser should have protected the material of the dispenser, although if a harsh cleaner has been used on it, it may have worn the finish away. Another possible reason for why the material has started to disintegrate could be that water was present on the dispenser for a prolonged period of time without being dried off. Again, I am very sorry for this issue and I am happy to help you today. If you could please respond back to the email I sent to you with a few photos of the dispenser in full as well as your contact information, we will be happy to assist you further with resolving this matter or if you prefer to discuss this issue further over the phone with us, please do not hesitate to give us a call on our warranty line at 800-345-3358. Thank you, Brandy
Answered by: Brandy
Date published: 2018-06-20

How does one fill this dispenser?

Does this dispenser get filled from the top with a funnel or from beneath/
Asked by: Emar
Hi, Emar! Thank you for your question. We recommend to fill this from above the sink, with a vented funnel. Best Regards, Rosanna
Answered by: Rosanna
Date published: 2017-09-11

Is this price of almost $60 for the complete dispenser assembly? Can't be for just the small head assembly, can it?

Asked by: Joe
Hello Joe, This part number is for the entire pump head minus the mounting, internal pump, and bottle. Unfortunately, the nozzle on the pump head is not a separate part.
Answered by: DeltaFaucet4
Date published: 2015-11-30

Which dispenser bottle and pump head go with this?

Asked by: vera
Hi Vera, Thank you for your question. The soap dispenser pump that goes to the RP21905 soap dispenser head is RP21908. The soap dispenser bottle is RP21904. Thanks, Alexis
Answered by: DeltaFaucet3
Date published: 2015-09-21

Can I purchase from you or a dealer the head cabeza only for this product

This part has corroded which make the soap dispenser useless.
Asked by: Ray
Hi Ray, Thank you for your question. The RP21905PB is the head assembly only to the model RP1001PB soap dispenser. The RP21905PB can be ordered online at or from your local retailer or wholesaler that sells Delta products. Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2014-11-10

Delta RP21905 soap dispenser pump

what is diameter of the upper part of the pump? what is diameter of the lower part which is attached to the sink?
Asked by: Sam
Hi Sam, Thank you for your question. The diameter of the top of the RP21905 soap dispenser pump head is approximately 7/8". The diameter of the escutcheon ring that attaches to the sink for the RP1001 soap dispenser is approximately 2". Thanks, Dave
Answered by: DeltaFaucet2
Date published: 2014-06-30
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