We purchased the Kraus commercial style faucet in 2014. We started having problems with the spray nozzle not having any flow, basically became useless. After researching the problem, discovered we might have a diverter issue. Kraus customer service was excellent and very knowledgeable of their product. After sending proof of purchase the lifetime warranty was activated and a new diverter arrived several days later. Removing the old diverter was challenging but we were able to install the new one within a few hours. Problem solved. Thanks to both customer service persons that helped resolve the problem.