Using your Brizo Kintsu Beverage Faucet is easy. Just turn the handle to get water. It can work with different water systems like RO systems, filtered water systems, and chillers. If you're using it with an RO system, make sure to connect the 1/4' tube, and for the drain, use the 3/8' tube. When installing, note that it can fit decks up to 3 inches thick. For maintenance, keep it clean with a mild soap and a soft cloth. Avoid using harsh chemicals as they can damage the faucet. Check the DIAMOND Seal Technology regularly for any signs of wear. If you notice any leaks, contact a professional plumber. This faucet is designed for long - term use, so with proper care, it'll serve you well for years.