The Volume Control Rough-In Valve Set is engineered to deliver precision water flow management and seamless installation flexibility for modern plumbing systems. Designed with GROHE SilkMove technology, this valve ensures a lifetime of smooth operation, offering effortless control and quiet performance even after years of use. Its robust 3/4 in. ceramic cartridge guarantees leak-free reliability and corrosion resistance, while maintaining a consistent 12 gpm flow rate at 45 psi—ideal for high-demand residential applications.
Perfect for both masonry and drywall installations, this valve set includes front and rear mounting brackets for secure stabilization in walls of varying thicknesses (2-3/4 in. to 3-15/16 in.). The built-in box features a removable protection cover, safeguarding internal components during construction phases while simplifying access for adjustments or maintenance. With a 1/2 in. NPT connection and compatibility with Grohtherm F systems and GrohFlex tubing, it streamlines integration into radiant heating or flexible piping setups.
This rough-in valve set stands out with its grid-installation capability, reducing labor time and material waste during new builds or renovations. Its durable construction and universal fit make it a versatile choice for contractors and DIYers seeking a reliable solution that adapts to diverse project requirements. Whether upgrading an existing bathroom or constructing a new space, this valve combines precision engineering with ease of use—ensuring long-term durability and hassle-free operation from installation through daily use.
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