Hello Frustrated and thank you for your feedback on Home Depot’s website for our Moen Brass Rough-In Posi-Temp Pressure-Balancing Cycling Tub and Shower Valve - 1/2 in. CC Connection. Moen cartridges do not have an estimated life expectancy and are subject to standard maintenance based on varying factors such as system pressure and regional water conditions. Moen® products have been manufactured under the highest standards of quality and workmanship. Under the current Limited Lifetime Warranty, Moen warrants to the original owner that the faucet will be leak- and drip-free during normal use and all parts and finishes of this faucet will be free from defects in material and manufacturing workmanship. Should you require any warranty assistance, please feel free to call us at 800-289-6636. Our business hours are 9:00 a.m.-5:30 p.m. Monday through Friday Eastern Time.