The Rohl U.3240R is a 3/4" rough concealed wall valve. It is from the Perrin and Rowe Bath collection. This concealed wall valve has 1 inlet and 1 outlet. It has a 3/4" NPT inlet and a 3/4" NPT outlet. The distance between the back of the valve to the finished wall has a minimum of 2 3/8" and a maximum of 3 1/8". It has a 1/4-turn ceramic disc valve. You must order the following trim to complete the set: the U.3774LSP/TO, the U.3774LSP/TO or the U.3775X/TO. The Rohl U.3240R 3/4" rough concealed wall valve 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.