Design a customized shower system with the Bélanger Pro 300VSRWIR universal rough-in valve. Engineered for concealed installation behind the shower wall, this versatile valve features ½-inch WIR inlet and outlet connections for integration into compatible plumbing systems. The 300VSRWIR accommodates pressure-balanced and thermostatic pressure-balanced cartridges, along with compatible two-way and three-way ceramic diverters. This flexible platform can support shower configurations with multiple water outlets, including a shower head, hand shower and body sprays. Integrated volume control allows users to adjust the water flow, while the adjustable temperature-limiting device helps provide a safer and more comfortable shower experience. With a maximum flow of 24 L/min, or 6.3 GPM, at 60 psi, the valve delivers dependable performance for residential, multi-unit and professional bathroom installations. Pair the 300VSRWIR with a compatible Bélanger Pro trim to complete a coordinated pressure-balanced or thermostatic shower system.