The Rohl U.5542NVO is a 3-port, 2-way diverter rough-in valve. It is from the Perrin and Rowe Bath collection. It has a new ceramic disc cartridge design. This 2-way rough diverter has 1 inlet and 2 outlets. It has a 1/2" NPT inlet and two 1/2" NPT outlets. The flow can be split between the adjacent outlets. The 1/2" outlet must be on the left side and the 1/2" inlet should be at the bottom for proper installation. Flipping the valve will cause improper operation. The Rohl U.5542NVO 3-port, 2-way rough diverter is covered by a limited lifetime warranty. It is a representation of Rohl's commitment to making products that are easy for the customers to install and use. The House of Rohl has been in the business since 1983. They have reached success by providing distinctively different faucets and fixtures that define real luxury. To create superior products that will enhance your way of living is Rohl's goal. Here at PlumbersStock, we guarantee that you have access to the highest quality products and resources at very affordable prices. We pride ourselves in striving for excellence in every aspect of what we do.