The model number is on all packaging, some faucets, and all installation instructions provided with your kitchen sink faucet. On the packaging, look near the code or the top of the box. On the kitchen faucets and basin faucets, a model identification tag has been attached to most models manufactured since 2012. Look for the tag on one of the faucet’s supply lines.If you cannot locate these materials, you may be able to determine your model number using our Web-based tools.