Using the Brizo Kintsu Bar Faucet is easy. Just turn the handle gently to control the water flow. For hot and cold water, adjust the handle accordingly. When installing, make sure the deck thickness is within 3 inches to ensure a proper fit. All the necessary standard fittings are included, so you can set it up without much hassle. As for maintenance, clean the faucet regularly with a soft cloth. Avoid using abrasive cleaners as they can scratch the surface. The ceramic cartridge ensures long - lasting smooth operation, but if you notice any issues, contact the authorized retailer for assistance. With proper use and care, your Brizo Kintsu Bar Faucet will serve you well for a long time.