Hi disappointed,
Thank you for your review of the Delta Faucet model 4453-AR-DST. Please accept our sincere apology for the inconvenience you are experiencing with the sprayer button. We are happy to help.
As the manufacturer, we are committed to supplying you with a quality product that delivers the expected performance. We back our materials and workmanship with our Lifetime Limited Warranty.
Please contact us directly for assistance or if you have any questions!
Best Regards,
Bryan
Digital Communications Specialist
(800) 345-3358
customerservice@deltafaucet.com