Hello everyone. When you buy faucets from Delta Faucet, then you can be sure that you are buying quality products that will serve you for many years. In the event of a faucet malfunction or material defects, Delta Faucet will replace it free of charge, provided that it has not yet expired the warranty period. If you need to exchange a faucet or buy additional parts, then call delta faucet phone number and discuss this issue with the manager.