Using this wall - mount tub spout with diverter is easy. First, make sure you have the 1/2' Copper or 1/2' IPS Stub Out Nipple as it's sold separately. Then, install it with the 1 - Hole Wall - Mount Installation method. When using, turn the diverter to switch the water flow between the tub spout and other outlets if needed. As for maintenance, regularly wipe it with a soft cloth to keep it clean. Avoid using abrasive cleaners as they can damage the surface. If there are any blockages, you can gently remove the spout and clean it with warm water and a mild detergent.