Thank you for your question regarding the Delta Soap Dispenser and I am happy to help you today.
The replacement pump assembly for soap dispenser model, RP37039 is RP21908.
Unfortunately, for soap dispenser model, RP50813, there isn't a replacement pump assembly available at this time and I apologize for the inconvenience.
If you could please respond back to the email I sent to you requesting further information, we will be happy to assist you further with this issue.
If you wish to speak with us about this issue further over the phone, please do not hesitate to give us a call on our warranty line at 800-345-3358 and we will be happy to help you where we can.
Date published: 2018-08-29