Flusso Faucets Serie 160 3/4" Two Output Horizontal Thermostatic Valve With 2 Volume Control and Trim in Matte BlackThe TVH. 2715 Thermostatic valve features 3 4 NPT connections and has 2 water outputs [ports] which are operable simultaneously, i. e both at the same time, or one at a time. The middle handle sets the temperature. The left handle controls output port 1 and the right handle controls output port 2. Each port has full volume control capability. SUPPLY STOPS There are two safety stops at each water inlet to prevent water flow in case of installation and