The DTV Prompt digital shower system elevates the experience of showering with approachable, intuitive technology. The K-528-K two-port thermostatic valve is designed to work with the K-527 DTV Prompt(R) digital interface. Digitally controlled. Temperature-balancing mechanism. Scald hazard prevention. Crossflow prevention. Reinforced engineering thermoplastic body. On-off flow control valve. Two independent water outlets. 1/2" copper tube connections. Up to 13 gpm (gallons per minute) flow rate with maximum flow of 8.0 gpm from one outlet. Connect up to two DTV Prompt® interfaces from one valve. Mounts within a standard 2x4 wall.