The Rohl R2014D is a rough pressure balance with a diverter. It is from Rohl's Shower collection. This pressure balance with a diverter has a minimum depth installation of 2" and a maximum depth installation of 3" from the back of the valve. The flow rate should be 5 gallons per minute @ 60 psi. The tub spout installation has a minimum distance of 18" from the diverter or the valve outlet. Also, the hand shower level to valve body has a minimum distance of 18" from the diverter or the valve outlet. The push-pull diverter with a positive shutoff allows for hand shower and shower installations without any need for custom plumbing. If PEX is utilized, oversize the supply line to 3/4" for a full flow capacity. Must order the following trims to complete the package: the MB1939, the A7400, the ARB7400, the AC700, the A7200, the BA700, the WA700, the U.7000 or the U.7700. Please see the specification sheet for more details. The Rohl R2014D rough pressure balance with a 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.