Extension Kit - MultiChoice® Integrated Diverter - 24 Series in Chrome

Hi Pooch, 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 Extension Kit - MultiChoice® Integrated Diverter - 24 Series In Chrome MODEL#: RP90542 has a screw size of #10-24x1.74-Phillips-Pan. 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

Hi ElizaBuilds, Thank you for your question! No, the R22000 uses the RP90544 extension kit. Please see the following link for more information. https://www.deltafaucet.com/parts/product/RP90544.html Please reach out with further questions! Best Regards, Tim Digital Communications Specialist

Hello, Pooch! Thank you for contacting us at Delta Faucet! Please accept our sincere apology for the inconvenience you are experiencing. Here is what we can do to resolve your issue for you. The screws for this Delta Faucet RP90542 extension kit are 3.38" in length. Please contact us directly by phone at 1-800-345-3358 or email at customerservice@deltafaucet.com if further assistance is needed at this time.   We appreciate your loyalty to Delta Faucet Company. Best Regards, Tim

Hi valued customer, Thank you for your question about the Delta Faucet RP90542SS. This extension kit is used with a 14 series trim kit with an integrated diverter and R22000 valve rough. The extender allows an additional 1" for finished wall thickness over 1 1/8” up to 2 1/8” The included extension trim nut threads are 1.0"-12 UNF. It is about 2.25" long and 1.5" diameter. Please reach out with any additional questions! Best Regards, Bryan Digital Communications Specialist

Hi Josh, Thanks for your question regarding RP90542BL! Model T11899BL utilizes the 1" extension kit, model RP75137. Please feel free to contact us directly if you have any questions or need additional assistance. Parts Diagram for model T11899: https://media.deltafaucet.com/PartsDiagram/DPD-B-T11899%20Rev%20A.pdf Best Regards, Emma Digital Communications Specialist