Sent in my proof of purchase and got the following reply:
Price Pfister values our customers and their satisfaction is of utmost importance to us. We will be replacing your faucet with a new unit at no cost. The replacement unit will be one of our new ceramic ceramic disc types faucets. Ceramic disc technology in the state of the art in faucets at this time, and I feel confident the you will find the new unit superior to your current product.
What do you guys think of "ceramic disc technology"?