Hi Wayne,
Thank you for your review of the Delta Faucet model 75494SN. Please accept our sincere apology for the inconvenience you are experiencing. We are happy to help.
It can be normal for a drip as water leaves the showerhead and hose. If the drip continues for longer than a minute, there may be an issue with the shower valve. This two-in-one showerhead is not a positive shut-off. See the maintenance and installation instructions for the shower valve trim for troubleshooting steps and more information.
Please reach out for further assistance or with any questions!
Best Regards,
Bryan
Digital Communications Specialist
(800) 345-3358
customerservice@deltafaucet.com