Flusso 160.2450 Two Handle Wall Mounted Tub FillerThis product is a 1 2 NPT connection valve and trim combo with two volume control handles separately for hot and cold water with single mixed output. Handle Operation The volume and temperature of the water are controlled by the two handles, HOT and COLD. Valve Installation As the valve [Part Kamal WLM. 1900] is installed, care should be taken to maintain a proper distance from the back of the valve to the surface of the finished tile which should be