Hello ds,
Thank you for reaching out to us regarding the installation issues you have experienced with your Venturi bath accessories. We have a number of resources to help you with the installation of your hardware, as well as the removal. You can review this video here: https://www.youtube.com/watch?v=XE7SXCsKl7E. Additionally, you can contact our consumer service team at 1-800-PFAUCET (1-800-732-8238), and they can help walk through any installation problems you may be experiencing. if you need any replacement parts, we can send them to you under Pfister's Pforever warranty.
Thank you, Pfister